6610551651 has 24 divisors (see below), whose sum is σ = 10548495360. Its totient is φ = 3955676400.

The previous prime is 6610551599. The next prime is 6610551697. The reversal of 6610551651 is 1561550166.

It is not a de Polignac number, because 6610551651 - 2⁶ = 6610551587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6610550651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414795 + ... + 430436.

It is an arithmetic number, because the mean of its divisors is an integer number (439520640).

Almost surely, 2^6610551651 is an apocalyptic number.

6610551651 is a deficient number, since it is larger than the sum of its proper divisors (3937943709).

6610551651 is a wasteful number, since it uses less digits than its factorization.

6610551651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845327 (or 845324 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 6610551651 is about 81305.2990339498. The cubic root of 6610551651 is about 1876.7765468185.

The spelling of 6610551651 in words is "six billion, six hundred ten million, five hundred fifty-one thousand, six hundred fifty-one".