91045898662 has 4 divisors (see below), whose sum is σ = 136568847996. Its totient is φ = 45522949330.

The previous prime is 91045898651. The next prime is 91045898677. The reversal of 91045898662 is 26689854019.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 91045898597 and 91045898606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22761474664 + ... + 22761474667.

It is an arithmetic number, because the mean of its divisors is an integer number (34142211999).

Almost surely, 2^91045898662 is an apocalyptic number.

91045898662 is a deficient number, since it is larger than the sum of its proper divisors (45522949334).

91045898662 is a wasteful number, since it uses less digits than its factorization.

91045898662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45522949333.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 91045898662 in words is "ninety-one billion, forty-five million, eight hundred ninety-eight thousand, six hundred sixty-two".