97066665400 has 192 divisors, whose sum is σ = 244128660480. Its totient is φ = 35800512000.

The previous prime is 97066665389. The next prime is 97066665403. The reversal of 97066665400 is 456666079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97066665403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14482050 + ... + 14488750.

It is an arithmetic number, because the mean of its divisors is an integer number (1271503440).

Almost surely, 2^97066665400 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 97066665400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122064330240).

97066665400 is an abundant number, since it is smaller than the sum of its proper divisors (147061995080).

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

97066665400 is a wasteful number, since it uses less digits than its factorization.

97066665400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6845 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 97066665400 in words is "ninety-seven billion, sixty-six million, six hundred sixty-five thousand, four hundred".