164354665632502 has 16 divisors (see below), whose sum is σ = 249621180181200. Its totient is φ = 81153981592672.

The previous prime is 164354665632473. The next prime is 164354665632503. The reversal of 164354665632502 is 205236566453461.

It is a super-2 number, since 2×164354665632502² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164354665632503) 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, 1593953428 + ... + 1594056535.

It is an arithmetic number, because the mean of its divisors is an integer number (15601323761325).

Almost surely, 2^{164354665632502} is an apocalyptic number.

164354665632502 is a deficient number, since it is larger than the sum of its proper divisors (85266514548698).

164354665632502 is a wasteful number, since it uses less digits than its factorization.

164354665632502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188010287.

The product of its (nonzero) digits is 93312000, while the sum is 58.

The spelling of 164354665632502 in words is "one hundred sixty-four trillion, three hundred fifty-four billion, six hundred sixty-five million, six hundred thirty-two thousand, five hundred two".