164351243151506 has 8 divisors (see below), whose sum is σ = 246579061833264. Its totient is φ = 82158222540420.

The previous prime is 164351243151451. The next prime is 164351243151547. The reversal of 164351243151506 is 605151342153461.

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

It is a super-2 number, since 2×164351243151506² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8699505860 + ... + 8699524751.

It is an arithmetic number, because the mean of its divisors is an integer number (30822382729158).

Almost surely, 2^{164351243151506} is an apocalyptic number.

164351243151506 is a deficient number, since it is larger than the sum of its proper divisors (82227818681758).

164351243151506 is a wasteful number, since it uses less digits than its factorization.

164351243151506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17399035336.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 164351243151506 in words is "one hundred sixty-four trillion, three hundred fifty-one billion, two hundred forty-three million, one hundred fifty-one thousand, five hundred six".