90051396061 has 16 divisors (see below), whose sum is σ = 98807607360. Its totient is φ = 81391495680.

The previous prime is 90051396053. The next prime is 90051396067. The reversal of 90051396061 is 16069315009.

It is not a de Polignac number, because 90051396061 - 2³ = 90051396053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90051396067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1307085 + ... + 1374253.

It is an arithmetic number, because the mean of its divisors is an integer number (6175475460).

Almost surely, 2^90051396061 is an apocalyptic number.

It is an amenable number.

90051396061 is a deficient number, since it is larger than the sum of its proper divisors (8756211299).

90051396061 is a wasteful number, since it uses less digits than its factorization.

90051396061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67884.

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 90051396061 in words is "ninety billion, fifty-one million, three hundred ninety-six thousand, sixty-one".