164197764367 has 24 divisors (see below), whose sum is σ = 208768476336. Its totient is φ = 127975655808.

The previous prime is 164197764347. The next prime is 164197764371. The reversal of 164197764367 is 763467791461.

It is a happy number.

It is not a de Polignac number, because 164197764367 - 2¹⁹ = 164197240079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164197764307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1880958 + ... + 1966315.

It is an arithmetic number, because the mean of its divisors is an integer number (8698686514).

Almost surely, 2^164197764367 is an apocalyptic number.

164197764367 is a deficient number, since it is larger than the sum of its proper divisors (44570711969).

164197764367 is a wasteful number, since it uses less digits than its factorization.

164197764367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847367 (or 3847360 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 61.

The spelling of 164197764367 in words is "one hundred sixty-four billion, one hundred ninety-seven million, seven hundred sixty-four thousand, three hundred sixty-seven".