97661152166 has 16 divisors (see below), whose sum is σ = 146889579600. Its totient is φ = 48698065920.

The previous prime is 97661152159. The next prime is 97661152177. The reversal of 97661152166 is 66125116679.

It is a congruent number.

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, 1893581 + ... + 1944471.

It is an arithmetic number, because the mean of its divisors is an integer number (9180598725).

Almost surely, 2^97661152166 is an apocalyptic number.

97661152166 is a deficient number, since it is larger than the sum of its proper divisors (49228427434).

97661152166 is a wasteful number, since it uses less digits than its factorization.

97661152166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53479.

The product of its digits is 816480, while the sum is 50.

The spelling of 97661152166 in words is "ninety-seven billion, six hundred sixty-one million, one hundred fifty-two thousand, one hundred sixty-six".