66196933270 has 48 divisors (see below), whose sum is σ = 129953965680. Its totient is φ = 24266017152.

The previous prime is 66196933249. The next prime is 66196933277. The reversal of 66196933270 is 7233969166.

66196933270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66196933277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94012 + ... + 375808.

It is an arithmetic number, because the mean of its divisors is an integer number (2707374285).

Almost surely, 2^66196933270 is an apocalyptic number.

66196933270 is a deficient number, since it is larger than the sum of its proper divisors (63757032410).

66196933270 is a wasteful number, since it uses less digits than its factorization.

66196933270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281969 (or 281956 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 66196933270 in words is "sixty-six billion, one hundred ninety-six million, nine hundred thirty-three thousand, two hundred seventy".