164719892046 has 16 divisors (see below), whose sum is σ = 330226041600. Its totient is φ = 54775587768.

The previous prime is 164719892027. The next prime is 164719892047. The reversal of 164719892046 is 640298917461.

It is a super-2 number, since 2×164719892046² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164719892047) 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, 32758006 + ... + 32763033.

It is an arithmetic number, because the mean of its divisors is an integer number (20639127600).

Almost surely, 2^164719892046 is an apocalyptic number.

164719892046 is an abundant number, since it is smaller than the sum of its proper divisors (165506149554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164719892046 is a wasteful number, since it uses less digits than its factorization.

164719892046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65521463.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 164719892046 in words is "one hundred sixty-four billion, seven hundred nineteen million, eight hundred ninety-two thousand, forty-six".