6662057431 has 8 divisors (see below), whose sum is σ = 6791826944. Its totient is φ = 6533180280.

The previous prime is 6662057401. The next prime is 6662057483. The reversal of 6662057431 is 1347502666.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6662057431 is a prime.

It is a super-2 number, since 2×6662057431² = 88766018427884639522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662057401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208005 + ... + 237886.

It is an arithmetic number, because the mean of its divisors is an integer number (848978368).

Almost surely, 2^6662057431 is an apocalyptic number.

6662057431 is a deficient number, since it is larger than the sum of its proper divisors (129769513).

6662057431 is a wasteful number, since it uses less digits than its factorization.

6662057431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446181.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 6662057431 is about 81621.4275236595. The cubic root of 6662057431 is about 1881.6382120790.

The spelling of 6662057431 in words is "six billion, six hundred sixty-two million, fifty-seven thousand, four hundred thirty-one".