6406672654 has 8 divisors (see below), whose sum is σ = 9717986880. Its totient is φ = 3167343696.

The previous prime is 6406672637. The next prime is 6406672667. The reversal of 6406672654 is 4562766046.

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

It is a super-2 number, since 2×6406672654² = 82090908991022807432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17996094 + ... + 17996449.

It is an arithmetic number, because the mean of its divisors is an integer number (1214748360).

Almost surely, 2^6406672654 is an apocalyptic number.

6406672654 is a deficient number, since it is larger than the sum of its proper divisors (3311314226).

6406672654 is a wasteful number, since it uses less digits than its factorization.

6406672654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35992634.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The square root of 6406672654 is about 80041.6932229697. The cubic root of 6406672654 is about 1857.2805534201.

The spelling of 6406672654 in words is "six billion, four hundred six million, six hundred seventy-two thousand, six hundred fifty-four".