921970066080 has 192 divisors, whose sum is σ = 3493781544960. Its totient is φ = 199644632064.

The previous prime is 921970066067. The next prime is 921970066091. The reversal of 921970066080 is 80660079129.

It is a super-3 number, since 3×921970066080³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7157104 + ... + 7284783.

It is an arithmetic number, because the mean of its divisors is an integer number (18196778880).

Almost surely, 2^921970066080 is an apocalyptic number.

It is an amenable number.

921970066080 is an abundant number, since it is smaller than the sum of its proper divisors (2571811478880).

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

921970066080 is a wasteful number, since it uses less digits than its factorization.

921970066080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441931 (or 14441923 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 921970066080 in words is "nine hundred twenty-one billion, nine hundred seventy million, sixty-six thousand, eighty".