90666946474 has 8 divisors (see below), whose sum is σ = 146461990500. Its totient is φ = 41846282976.

The previous prime is 90666946451. The next prime is 90666946483. The reversal of 90666946474 is 47464966609.

It can be written as a sum of positive squares in 2 ways, for example, as 88242861249 + 2424085225 = 297057^2 + 49235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1743595099 + ... + 1743595150.

Almost surely, 2^90666946474 is an apocalyptic number.

90666946474 is a deficient number, since it is larger than the sum of its proper divisors (55795044026).

90666946474 is a wasteful number, since it uses less digits than its factorization.

90666946474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487190264.

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 90666946474 in words is "ninety billion, six hundred sixty-six million, nine hundred forty-six thousand, four hundred seventy-four".