164290029465 has 16 divisors (see below), whose sum is σ = 263088553536. Its totient is φ = 87546513600.

The previous prime is 164290029451. The next prime is 164290029469. The reversal of 164290029465 is 564920092461.

It is not a de Polignac number, because 164290029465 - 2⁶ = 164290029401 is a prime.

It is a super-2 number, since 2×164290029465² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164290029469) 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, 4659066 + ... + 4694195.

It is an arithmetic number, because the mean of its divisors is an integer number (16443034596).

Almost surely, 2^164290029465 is an apocalyptic number.

164290029465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164290029465 is a deficient number, since it is larger than the sum of its proper divisors (98798524071).

164290029465 is a wasteful number, since it uses less digits than its factorization.

164290029465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354440.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 164290029465 in words is "one hundred sixty-four billion, two hundred ninety million, twenty-nine thousand, four hundred sixty-five".