91366552232 has 8 divisors (see below), whose sum is σ = 171312285450. Its totient is φ = 45683276112.

The previous prime is 91366552219. The next prime is 91366552261. The reversal of 91366552232 is 23225566319.

It can be written as a sum of positive squares in only one way, i.e., 55708272676 + 35658279556 = 236026^2 + 188834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710409507 + ... + 5710409522.

Almost surely, 2^91366552232 is an apocalyptic number.

It is an amenable number.

91366552232 is a deficient number, since it is larger than the sum of its proper divisors (79945733218).

91366552232 is a wasteful number, since it uses less digits than its factorization.

91366552232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11420819035 (or 11420819031 counting only the distinct ones).

The product of its digits is 583200, while the sum is 44.

The spelling of 91366552232 in words is "ninety-one billion, three hundred sixty-six million, five hundred fifty-two thousand, two hundred thirty-two".