97144531166025 has 36 divisors (see below), whose sum is σ = 198853313323392. Its totient is φ = 44408928532320.

The previous prime is 97144531166021. The next prime is 97144531166027. The reversal of 97144531166025 is 52066113544179.

97144531166025 is a `hidden beast` number, since 9 + 7 + 1 + 4 + 453 + 1 + 166 + 0 + 25 = 666.

It is not a de Polignac number, because 97144531166025 - 2² = 97144531166021 is a prime.

It is a super-2 number, since 2×97144531166025² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97144531166021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30839532129 + ... + 30839535278.

It is an arithmetic number, because the mean of its divisors is an integer number (5523703147872).

Almost surely, 2^{97144531166025} is an apocalyptic number.

It is an amenable number.

97144531166025 is an abundant number, since it is smaller than the sum of its proper divisors (101708782157367).

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

97144531166025 is a wasteful number, since it uses less digits than its factorization.

97144531166025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61679067430 (or 61679067422 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 97144531166025 in words is "ninety-seven trillion, one hundred forty-four billion, five hundred thirty-one million, one hundred sixty-six thousand, twenty-five".