97552816620 has 192 divisors, whose sum is σ = 319938232320. Its totient is φ = 21749674752.

The previous prime is 97552816597. The next prime is 97552816693. The reversal of 97552816620 is 2661825579.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2736229 + ... + 2771651.

It is an arithmetic number, because the mean of its divisors is an integer number (1666344960).

Almost surely, 2^97552816620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97552816620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159969116160).

97552816620 is an abundant number, since it is smaller than the sum of its proper divisors (222385415700).

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

97552816620 is a wasteful number, since it uses less digits than its factorization.

97552816620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35604 (or 35602 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 97552816620 in words is "ninety-seven billion, five hundred fifty-two million, eight hundred sixteen thousand, six hundred twenty".