164351061336503 has 8 divisors (see below), whose sum is σ = 164848099854336. Its totient is φ = 163854025889400.

The previous prime is 164351061336493. The next prime is 164351061336569. The reversal of 164351061336503 is 305633160153461.

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

It is a cyclic number.

It is not a de Polignac number, because 164351061336503 - 2²² = 164351057142199 is a prime.

It is a super-2 number, since 2×164351061336503² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164351061336593) 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, 152813450 + ... + 153885192.

It is an arithmetic number, because the mean of its divisors is an integer number (20606012481792).

Almost surely, 2^{164351061336503} is an apocalyptic number.

164351061336503 is a deficient number, since it is larger than the sum of its proper divisors (497038517833).

164351061336503 is a wasteful number, since it uses less digits than its factorization.

164351061336503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535365.

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 164351061336503 in words is "one hundred sixty-four trillion, three hundred fifty-one billion, sixty-one million, three hundred thirty-six thousand, five hundred three".