91620290527424 has 14 divisors (see below), whose sum is σ = 181809014015484. Its totient is φ = 45810145263680.

The previous prime is 91620290527397. The next prime is 91620290527429. The reversal of 91620290527424 is 42472509202619.

It is not an unprimeable number, because it can be changed into a prime (91620290527429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715783519682 + ... + 715783519809.

Almost surely, 2^{91620290527424} is an apocalyptic number.

It is an amenable number.

91620290527424 is a deficient number, since it is larger than the sum of its proper divisors (90188723488060).

91620290527424 is a wasteful number, since it uses less digits than its factorization.

91620290527424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431567039503 (or 1431567039493 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 91620290527424 in words is "ninety-one trillion, six hundred twenty billion, two hundred ninety million, five hundred twenty-seven thousand, four hundred twenty-four".