164986036677 has 384 divisors, whose sum is σ = 340402176000. Its totient is φ = 77789859840.

The previous prime is 164986036669. The next prime is 164986036679. The reversal of 164986036677 is 776630689461.

164986036677 is a `hidden beast` number, since 1 + 64 + 98 + 60 + 366 + 77 = 666.

It is not a de Polignac number, because 164986036677 - 2³ = 164986036669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164986036679) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1299102588 + ... + 1299102714.

It is an arithmetic number, because the mean of its divisors is an integer number (886464000).

Almost surely, 2^164986036677 is an apocalyptic number.

164986036677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

164986036677 is an abundant number, since it is smaller than the sum of its proper divisors (175416139323).

164986036677 is a wasteful number, since it uses less digits than its factorization.

164986036677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 164986036677 in words is "one hundred sixty-four billion, nine hundred eighty-six million, thirty-six thousand, six hundred seventy-seven".