163372420 has 48 divisors (see below), whose sum is σ = 351606528. Its totient is φ = 63745920.

The previous prime is 163372411. The next prime is 163372453. The reversal of 163372420 is 24273361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145702 + ... + 146818.

It is an arithmetic number, because the mean of its divisors is an integer number (7325136).

Almost surely, 2^163372420 is an apocalyptic number.

163372420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163372420 is an abundant number, since it is smaller than the sum of its proper divisors (188234108).

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

163372420 is a wasteful number, since it uses less digits than its factorization.

163372420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 163372420 is about 12781.7221061952. The cubic root of 163372420 is about 546.6712662380.

The spelling of 163372420 in words is "one hundred sixty-three million, three hundred seventy-two thousand, four hundred twenty".