66970036370 has 8 divisors (see below), whose sum is σ = 120546065484. Its totient is φ = 26788014544.

The previous prime is 66970036349. The next prime is 66970036373. The reversal of 66970036370 is 7363007966.

It can be written as a sum of positive squares in 2 ways, for example, as 66800020849 + 170015521 = 258457^2 + 13039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (66970036373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348501809 + ... + 3348501828.

Almost surely, 2^66970036370 is an apocalyptic number.

66970036370 is a deficient number, since it is larger than the sum of its proper divisors (53576029114).

66970036370 is a wasteful number, since it uses less digits than its factorization.

66970036370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697003644.

The product of its (nonzero) digits is 857304, while the sum is 47.

The spelling of 66970036370 in words is "sixty-six billion, nine hundred seventy million, thirty-six thousand, three hundred seventy".