7651651356 has 72 divisors (see below), whose sum is σ = 19936089264. Its totient is φ = 2472664320.

The previous prime is 7651651351. The next prime is 7651651361. The reversal of 7651651356 is 6531561567.

7651651356 is a `hidden beast` number, since 76 + 5 + 16 + 513 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (7651651351) and next prime (7651651361).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7651651351) 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, 364071 + ... + 384513.

Almost surely, 2^7651651356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7651651356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9968044632).

7651651356 is an abundant number, since it is smaller than the sum of its proper divisors (12284437908).

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

7651651356 is a wasteful number, since it uses less digits than its factorization.

7651651356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20771 (or 20766 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 7651651356 is about 87473.7180872061. The cubic root of 7651651356 is about 1970.5391050353.

The spelling of 7651651356 in words is "seven billion, six hundred fifty-one million, six hundred fifty-one thousand, three hundred fifty-six".