6542166004 has 12 divisors (see below), whose sum is σ = 12489589728. Its totient is φ = 2973711800.

The previous prime is 6542165963. The next prime is 6542166031. The reversal of 6542166004 is 4006612456.

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, 74342752 + ... + 74342839.

It is an arithmetic number, because the mean of its divisors is an integer number (1040799144).

Almost surely, 2^6542166004 is an apocalyptic number.

It is an amenable number.

6542166004 is a deficient number, since it is larger than the sum of its proper divisors (5947423724).

6542166004 is a wasteful number, since it uses less digits than its factorization.

6542166004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148685606 (or 148685604 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 6542166004 is about 80883.6572120722. The cubic root of 6542166004 is about 1870.2823983706.

The spelling of 6542166004 in words is "six billion, five hundred forty-two million, one hundred sixty-six thousand, four".