105651566040 has 64 divisors (see below), whose sum is σ = 316997791200. Its totient is φ = 28169920512.

The previous prime is 105651566039. The next prime is 105651566077. The reversal of 105651566040 is 40665156501.

It is a super-2 number, since 2×105651566040² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105651566040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888846 + ... + 1000674.

Almost surely, 2^105651566040 is an apocalyptic number.

105651566040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105651566040 is an abundant number, since it is smaller than the sum of its proper divisors (211346225160).

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

105651566040 is a wasteful number, since it uses less digits than its factorization.

105651566040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119716 (or 119712 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 105651566040 in words is "one hundred five billion, six hundred fifty-one million, five hundred sixty-six thousand, forty".