97163638 has 32 divisors (see below), whose sum is σ = 178682112. Its totient is φ = 38992800.

The previous prime is 97163623. The next prime is 97163683. The reversal of 97163638 is 83636179.

It is a junction number, because it is equal to n+sod(n) for n = 97163594 and 97163603.

It is a congruent number.

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, 808 + ... + 13963.

It is an arithmetic number, because the mean of its divisors is an integer number (5583816).

Almost surely, 2^97163638 is an apocalyptic number.

97163638 is a deficient number, since it is larger than the sum of its proper divisors (81518474).

97163638 is a wasteful number, since it uses less digits than its factorization.

97163638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14820.

The product of its digits is 163296, while the sum is 43.

The square root of 97163638 is about 9857.1617618866. The cubic root of 97163638 is about 459.7283178333.

The spelling of 97163638 in words is "ninety-seven million, one hundred sixty-three thousand, six hundred thirty-eight".