163557134 has 16 divisors (see below), whose sum is σ = 265835472. Its totient is φ = 75022848.

The previous prime is 163557127. The next prime is 163557139. The reversal of 163557134 is 431755361.

It is a junction number, because it is equal to n+sod(n) for n = 163557094 and 163557103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163557139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15059 + ... + 23534.

It is an arithmetic number, because the mean of its divisors is an integer number (16614717).

Almost surely, 2^163557134 is an apocalyptic number.

163557134 is a deficient number, since it is larger than the sum of its proper divisors (102278338).

163557134 is a wasteful number, since it uses less digits than its factorization.

163557134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38771.

The product of its digits is 37800, while the sum is 35.

The square root of 163557134 is about 12788.9457735968. The cubic root of 163557134 is about 546.8772165526.

The spelling of 163557134 in words is "one hundred sixty-three million, five hundred fifty-seven thousand, one hundred thirty-four".