6542651610 has 64 divisors (see below), whose sum is σ = 19033176960. Its totient is φ = 1586096640.

The previous prime is 6542651561. The next prime is 6542651623. The reversal of 6542651610 is 161562456.

6542651610 is a `hidden beast` number, since 6 + 542 + 6 + 51 + 61 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1098487 + ... + 1104426.

It is an arithmetic number, because the mean of its divisors is an integer number (297393390).

Almost surely, 2^6542651610 is an apocalyptic number.

6542651610 is an abundant number, since it is smaller than the sum of its proper divisors (12490525350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6542651610 is a wasteful number, since it uses less digits than its factorization.

6542651610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202940 (or 2202934 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6542651610 is about 80886.6590359622. The cubic root of 6542651610 is about 1870.3286724376.

The spelling of 6542651610 in words is "six billion, five hundred forty-two million, six hundred fifty-one thousand, six hundred ten".