6415965552 has 80 divisors (see below), whose sum is σ = 17539020288. Its totient is φ = 2016833280.

The previous prime is 6415965527. The next prime is 6415965601. The reversal of 6415965552 is 2555695146.

It is a super-2 number, since 2×6415965552² = 82329227928901329408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 37458 + ... + 119310.

Almost surely, 2^6415965552 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 6415965552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8769510144).

6415965552 is an abundant number, since it is smaller than the sum of its proper divisors (11123054736).

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

6415965552 is a wasteful number, since it uses less digits than its factorization.

6415965552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81958 (or 81952 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 48.

The square root of 6415965552 is about 80099.7225463360. The cubic root of 6415965552 is about 1858.1781166013.

The spelling of 6415965552 in words is "six billion, four hundred fifteen million, nine hundred sixty-five thousand, five hundred fifty-two".