90610856142 has 16 divisors (see below), whose sum is σ = 181224664320. Its totient is φ = 30203126712.

The previous prime is 90610856081. The next prime is 90610856153. The reversal of 90610856142 is 24165801609.

It is a junction number, because it is equal to n+sod(n) for n = 90610856094 and 90610856103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642459 + ... + 770697.

It is an arithmetic number, because the mean of its divisors is an integer number (11326541520).

Almost surely, 2^90610856142 is an apocalyptic number.

90610856142 is an abundant number, since it is smaller than the sum of its proper divisors (90613808178).

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

90610856142 is a wasteful number, since it uses less digits than its factorization.

90610856142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246007.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 90610856142 in words is "ninety billion, six hundred ten million, eight hundred fifty-six thousand, one hundred forty-two".