97419485957161 has 9 divisors (see below), whose sum is σ = 97541030000631. Its totient is φ = 97298093215992.

The previous prime is 97419485957153. The next prime is 97419485957291. The reversal of 97419485957161 is 16175958491479.

The square root of 97419485957161 is 9870131.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28953062448025 + 68466423509136 = 5380805^2 + 8274444^2 .

It is not a de Polignac number, because 97419485957161 - 2³ = 97419485957153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97419485937161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8517917335 + ... + 8517928771.

Almost surely, 2^{97419485957161} is an apocalyptic number.

97419485957161 is the 9870131-st square number.

97419485957161 is the 4935066-th centered octagonal number.

It is an amenable number.

97419485957161 is a deficient number, since it is larger than the sum of its proper divisors (121544043470).

97419485957161 is an frugal number, since it uses more digits than its factorization.

97419485957161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24600 (or 12300 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 76.

The spelling of 97419485957161 in words is "ninety-seven trillion, four hundred nineteen billion, four hundred eighty-five million, nine hundred fifty-seven thousand, one hundred sixty-one".