105655964650 has 12 divisors (see below), whose sum is σ = 196520094342. Its totient is φ = 42262385840.

The previous prime is 105655964543. The next prime is 105655964657. The reversal of 105655964650 is 56469556501.

It can be written as a sum of positive squares in 3 ways, for example, as 98717241249 + 6938723401 = 314193^2 + 83299^2 .

It is a super-2 number, since 2×105655964650² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105655964657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056559597 + ... + 1056559696.

Almost surely, 2^105655964650 is an apocalyptic number.

105655964650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105655964650 is a deficient number, since it is larger than the sum of its proper divisors (90864129692).

105655964650 is a wasteful number, since it uses less digits than its factorization.

105655964650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113119305 (or 2113119300 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 105655964650 in words is "one hundred five billion, six hundred fifty-five million, nine hundred sixty-four thousand, six hundred fifty".