106431650465553 has 72 divisors (see below), whose sum is σ = 181831658636160. Its totient is φ = 59799406887360.

The previous prime is 106431650465521. The next prime is 106431650465593. The reversal of 106431650465553 is 355564056134601.

106431650465553 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 31 + 6 + 50 + 4 + 6 + 5 + 553 = 666.

It is not a de Polignac number, because 106431650465553 - 2⁵ = 106431650465521 is a prime.

It is a super-2 number, since 2×106431650465553² (a number of 29 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 106431650465553.

It is not an unprimeable number, because it can be changed into a prime (106431650465593) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 73720138 + ... + 75149996.

It is an arithmetic number, because the mean of its divisors is an integer number (2525439703280).

Almost surely, 2^{106431650465553} is an apocalyptic number.

It is an amenable number.

106431650465553 is a deficient number, since it is larger than the sum of its proper divisors (75400008170607).

106431650465553 is a wasteful number, since it uses less digits than its factorization.

106431650465553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432707 (or 1432697 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 54.

The spelling of 106431650465553 in words is "one hundred six trillion, four hundred thirty-one billion, six hundred fifty million, four hundred sixty-five thousand, five hundred fifty-three".