90610161397 has 48 divisors (see below), whose sum is σ = 112585560960. Its totient is φ = 71372762496.

The previous prime is 90610161379. The next prime is 90610161403. The reversal of 90610161397 is 79316101609.

It is not a de Polignac number, because 90610161397 - 2¹¹ = 90610159349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90610161197) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 35434843 + ... + 35437399.

It is an arithmetic number, because the mean of its divisors is an integer number (2345532520).

Almost surely, 2^90610161397 is an apocalyptic number.

It is an amenable number.

90610161397 is a deficient number, since it is larger than the sum of its proper divisors (21975399563).

90610161397 is a wasteful number, since it uses less digits than its factorization.

90610161397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 2999 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The spelling of 90610161397 in words is "ninety billion, six hundred ten million, one hundred sixty-one thousand, three hundred ninety-seven".