163400552 has 32 divisors (see below), whose sum is σ = 352512000. Its totient is φ = 69555264.

The previous prime is 163400543. The next prime is 163400563. The reversal of 163400552 is 255004361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448 + ... + 18135.

It is an arithmetic number, because the mean of its divisors is an integer number (11016000).

Almost surely, 2^163400552 is an apocalyptic number.

It is an amenable number.

163400552 is an abundant number, since it is smaller than the sum of its proper divisors (189111448).

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

163400552 is a wasteful number, since it uses less digits than its factorization.

163400552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19745 (or 19741 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 163400552 is about 12782.8225365136. The cubic root of 163400552 is about 546.7026425527.

The spelling of 163400552 in words is "one hundred sixty-three million, four hundred thousand, five hundred fifty-two".