88590920161 has 2 divisors, whose sum is σ = 88590920162. Its totient is φ = 88590920160.

The previous prime is 88590920153. The next prime is 88590920167. The reversal of 88590920161 is 16102909588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73644390625 + 14946529536 = 271375^2 + 122256^2 .

It is a cyclic number.

It is not a de Polignac number, because 88590920161 - 2³ = 88590920153 is a prime.

It is a super-2 number, since 2×88590920161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88590920167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44295460080 + 44295460081.

It is an arithmetic number, because the mean of its divisors is an integer number (44295460081).

Almost surely, 2^88590920161 is an apocalyptic number.

It is an amenable number.

88590920161 is a deficient number, since it is larger than the sum of its proper divisors (1).

88590920161 is an equidigital number, since it uses as much as digits as its factorization.

88590920161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 49.

The spelling of 88590920161 in words is "eighty-eight billion, five hundred ninety million, nine hundred twenty thousand, one hundred sixty-one".