1051560660 has 24 divisors (see below), whose sum is σ = 2944370016. Its totient is φ = 280416160.

The previous prime is 1051560637. The next prime is 1051560691. The reversal of 1051560660 is 660651501.

It is a super-2 number, since 2×1051560660² = 2211559643319271200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8762946 + ... + 8763065.

It is an arithmetic number, because the mean of its divisors is an integer number (122682084).

Almost surely, 2^1051560660 is an apocalyptic number.

1051560660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051560660 is an abundant number, since it is smaller than the sum of its proper divisors (1892809356).

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

1051560660 is a wasteful number, since it uses less digits than its factorization.

1051560660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17526023 (or 17526021 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1051560660 is about 32427.7760569546. The cubic root of 1051560660 is about 1016.8996786825.

The spelling of 1051560660 in words is "one billion, fifty-one million, five hundred sixty thousand, six hundred sixty".