164504618761 has 16 divisors (see below), whose sum is σ = 188797365504. Its totient is φ = 140410335744.

The previous prime is 164504618741. The next prime is 164504618807. The reversal of 164504618761 is 167816405461.

It is not a de Polignac number, because 164504618761 - 2⁷ = 164504618633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164504618741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4830385 + ... + 4864321.

It is an arithmetic number, because the mean of its divisors is an integer number (11799835344).

Almost surely, 2^164504618761 is an apocalyptic number.

It is an amenable number.

164504618761 is a deficient number, since it is larger than the sum of its proper divisors (24292746743).

164504618761 is a wasteful number, since it uses less digits than its factorization.

164504618761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36840.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 164504618761 in words is "one hundred sixty-four billion, five hundred four million, six hundred eighteen thousand, seven hundred sixty-one".