3665534796 has 540 divisors, whose sum is σ = 13047689424. Its totient is φ = 877599360.

The previous prime is 3665534737. The next prime is 3665534813. The reversal of 3665534796 is 6974355663.

3665534796 is a `hidden beast` number, since 36 + 6 + 5 + 534 + 79 + 6 = 666.

It is a super-2 number, since 2×3665534796² = 26872290681373523232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (12247200) is a multiple of the sum of its prime factors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 99068490 + ... + 99068526.

Almost surely, 2^3665534796 is an apocalyptic number.

3665534796 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3665534796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6523844712).

3665534796 is an abundant number, since it is smaller than the sum of its proper divisors (9382154628).

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

3665534796 is a wasteful number, since it uses less digits than its factorization.

3665534796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 79 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 54.

The square root of 3665534796 is about 60543.6602461397. The cubic root of 3665534796 is about 1541.8629834803.

The spelling of 3665534796 in words is "three billion, six hundred sixty-five million, five hundred thirty-four thousand, seven hundred ninety-six".