3970166678 has 8 divisors (see below), whose sum is σ = 5955547680. Its totient is φ = 1984984120.

The previous prime is 3970166677. The next prime is 3970166687. The reversal of 3970166678 is 8766610793.

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

It is a super-2 number, since 2×3970166678² = 31524446902203111368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970166677) 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, 19868 + ... + 91296.

It is an arithmetic number, because the mean of its divisors is an integer number (744443460).

Almost surely, 2^3970166678 is an apocalyptic number.

3970166678 is a deficient number, since it is larger than the sum of its proper divisors (1985381002).

3970166678 is a wasteful number, since it uses less digits than its factorization.

3970166678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99222.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 3970166678 is about 63009.2586688655. The cubic root of 3970166678 is about 1583.4447458986. Note that the first 3 decimals are identical.

The spelling of 3970166678 in words is "three billion, nine hundred seventy million, one hundred sixty-six thousand, six hundred seventy-eight".