91854948546 has 12 divisors (see below), whose sum is σ = 199019055222. Its totient is φ = 30618316176.

The previous prime is 91854948533. The next prime is 91854948553. The reversal of 91854948546 is 64584945819.

91854948546 is a `hidden beast` number, since 9 + 1 + 8 + 5 + 49 + 48 + 546 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63768875625 + 28086072921 = 252525^2 + 167589^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2551526331 + ... + 2551526366.

Almost surely, 2^91854948546 is an apocalyptic number.

91854948546 is an abundant number, since it is smaller than the sum of its proper divisors (107164106676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91854948546 is a wasteful number, since it uses less digits than its factorization.

91854948546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103052705 (or 5103052702 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

It can be divided in two parts, 91854 and 948546, that added together give a square (1040400 = 1020²).

The spelling of 91854948546 in words is "ninety-one billion, eight hundred fifty-four million, nine hundred forty-eight thousand, five hundred forty-six".