105151660651 has 32 divisors (see below), whose sum is σ = 121111372800. Its totient is φ = 90669196800.

The previous prime is 105151660639. The next prime is 105151660661. The reversal of 105151660651 is 156066151501.

It is a cyclic number.

It is not a de Polignac number, because 105151660651 - 2⁵ = 105151660619 is a prime.

It is a super-2 number, since 2×105151660651² (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 105151660651.

It is not an unprimeable number, because it can be changed into a prime (105151660631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1365310 + ... + 1440268.

It is an arithmetic number, because the mean of its divisors is an integer number (3784730400).

Almost surely, 2^105151660651 is an apocalyptic number.

105151660651 is a deficient number, since it is larger than the sum of its proper divisors (15959712149).

105151660651 is a wasteful number, since it uses less digits than its factorization.

105151660651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75139.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 105151660651 in words is "one hundred five billion, one hundred fifty-one million, six hundred sixty thousand, six hundred fifty-one".