164121363 has 32 divisors (see below), whose sum is σ = 279697920. Its totient is φ = 93169440.

The previous prime is 164121343. The next prime is 164121367. The reversal of 164121363 is 363121461.

164121363 is a `hidden beast` number, since 1 + 641 + 2 + 13 + 6 + 3 = 666.

It is not a de Polignac number, because 164121363 - 2¹⁰ = 164120339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (164121367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26908 + ... + 32438.

It is an arithmetic number, because the mean of its divisors is an integer number (8740560).

Almost surely, 2^164121363 is an apocalyptic number.

164121363 is a deficient number, since it is larger than the sum of its proper divisors (115576557).

164121363 is a wasteful number, since it uses less digits than its factorization.

164121363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704 (or 5698 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 164121363 is about 12810.9860276249. The cubic root of 164121363 is about 547.5053555490.

The spelling of 164121363 in words is "one hundred sixty-four million, one hundred twenty-one thousand, three hundred sixty-three".