671464654 has 32 divisors (see below), whose sum is σ = 1177989120. Its totient is φ = 281069568.

The previous prime is 671464643. The next prime is 671464711. The reversal of 671464654 is 456464176.

It is a self number, because there is not a number n which added to its sum of digits gives 671464654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505339 + ... + 506665.

It is an arithmetic number, because the mean of its divisors is an integer number (36812160).

Almost surely, 2^671464654 is an apocalyptic number.

671464654 is a deficient number, since it is larger than the sum of its proper divisors (506524466).

671464654 is a wasteful number, since it uses less digits than its factorization.

671464654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its digits is 483840, while the sum is 43.

The square root of 671464654 is about 25912.6350261798. The cubic root of 671464654 is about 875.6711711399.

The spelling of 671464654 in words is "six hundred seventy-one million, four hundred sixty-four thousand, six hundred fifty-four".