91698741124 has 81 divisors (see below), whose sum is σ = 174506023237. Its totient is φ = 42157110688.

The previous prime is 91698741119. The next prime is 91698741133. The reversal of 91698741124 is 42114789619.

The square root of 91698741124 is 302818.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 48084595524 + 43614145600 = 219282^2 + 208840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 403959099 + ... + 403959325.

Almost surely, 2^91698741124 is an apocalyptic number.

91698741124 is the 302818-th square number.

It is an amenable number.

91698741124 is a deficient number, since it is larger than the sum of its proper divisors (82807282113).

91698741124 is a wasteful number, since it uses less digits than its factorization.

91698741124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 281 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The spelling of 91698741124 in words is "ninety-one billion, six hundred ninety-eight million, seven hundred forty-one thousand, one hundred twenty-four".