1061438610 has 64 divisors (see below), whose sum is σ = 2754057600. Its totient is φ = 260900352.

The previous prime is 1061438603. The next prime is 1061438633. The reversal of 1061438610 is 168341601.

It is a super-2 number, since 2×1061438610² = 2253303845597464200, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4075 + ... + 46254.

It is an arithmetic number, because the mean of its divisors is an integer number (43032150).

Almost surely, 2^1061438610 is an apocalyptic number.

1061438610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061438610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377028800).

1061438610 is an abundant number, since it is smaller than the sum of its proper divisors (1692618990).

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

1061438610 is a wasteful number, since it uses less digits than its factorization.

1061438610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50395.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1061438610 is about 32579.7269785982. The cubic root of 1061438610 is about 1020.0738796929.

The spelling of 1061438610 in words is "one billion, sixty-one million, four hundred thirty-eight thousand, six hundred ten".