90556667452 has 12 divisors (see below), whose sum is σ = 161072105656. Its totient is φ = 44536065840.

The previous prime is 90556667401. The next prime is 90556667477. The reversal of 90556667452 is 25476665509.

It is a junction number, because it is equal to n+sod(n) for n = 90556667393 and 90556667402.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 185566698 + ... + 185567185.

Almost surely, 2^90556667452 is an apocalyptic number.

It is an amenable number.

90556667452 is a deficient number, since it is larger than the sum of its proper divisors (70515438204).

90556667452 is a wasteful number, since it uses less digits than its factorization.

90556667452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371133948 (or 371133946 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 90556667452 in words is "ninety billion, five hundred fifty-six million, six hundred sixty-seven thousand, four hundred fifty-two".