164062220 has 48 divisors (see below), whose sum is σ = 410876928. Its totient is φ = 53803200.

The previous prime is 164062177. The next prime is 164062229. The reversal of 164062220 is 22260461.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (164062229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22256 + ... + 28695.

It is an arithmetic number, because the mean of its divisors is an integer number (8559936).

Almost surely, 2^164062220 is an apocalyptic number.

164062220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164062220 is an abundant number, since it is smaller than the sum of its proper divisors (246814708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164062220 is a wasteful number, since it uses less digits than its factorization.

164062220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50990 (or 50988 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 164062220 is about 12808.6775273640. The cubic root of 164062220 is about 547.4395810533.

The spelling of 164062220 in words is "one hundred sixty-four million, sixty-two thousand, two hundred twenty".