164216677629 has 8 divisors (see below), whose sum is σ = 224047560352. Its totient is φ = 106931790000.

The previous prime is 164216677609. The next prime is 164216677637. The reversal of 164216677629 is 926776612461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164216677629 - 2⁷ = 164216677501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164216677609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636498622 + ... + 636498879.

It is an arithmetic number, because the mean of its divisors is an integer number (28005945044).

Almost surely, 2^164216677629 is an apocalyptic number.

It is an amenable number.

164216677629 is a deficient number, since it is larger than the sum of its proper divisors (59830882723).

164216677629 is a wasteful number, since it uses less digits than its factorization.

164216677629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272997547.

The product of its digits is 9144576, while the sum is 57.

The spelling of 164216677629 in words is "one hundred sixty-four billion, two hundred sixteen million, six hundred seventy-seven thousand, six hundred twenty-nine".