1059477660 has 72 divisors (see below), whose sum is σ = 3227908320. Its totient is φ = 281282688.

The previous prime is 1059477659. The next prime is 1059477701. The reversal of 1059477660 is 667749501.

It is a happy number.

It is a super-2 number, since 2×1059477660² = 2244985824078151200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28369 + ... + 54071.

It is an arithmetic number, because the mean of its divisors is an integer number (44832060).

Almost surely, 2^1059477660 is an apocalyptic number.

1059477660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1059477660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613954160).

1059477660 is an abundant number, since it is smaller than the sum of its proper divisors (2168430660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1059477660 is a wasteful number, since it uses less digits than its factorization.

1059477660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25947 (or 25942 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 1059477660 is about 32549.6184309432. The cubic root of 1059477660 is about 1019.4453154830.

The spelling of 1059477660 in words is "one billion, fifty-nine million, four hundred seventy-seven thousand, six hundred sixty".