3745636216 has 16 divisors (see below), whose sum is σ = 8026363440. Its totient is φ = 1605272640.

The previous prime is 3745636183. The next prime is 3745636247. The reversal of 3745636216 is 6126365473.

It is a super-2 number, since 2×3745636216² = 28059581325221597312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33443125 + ... + 33443236.

It is an arithmetic number, because the mean of its divisors is an integer number (501647715).

Almost surely, 2^3745636216 is an apocalyptic number.

It is an amenable number.

3745636216 is an abundant number, since it is smaller than the sum of its proper divisors (4280727224).

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

3745636216 is a wasteful number, since it uses less digits than its factorization.

3745636216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66886374 (or 66886370 counting only the distinct ones).

The product of its digits is 544320, while the sum is 43.

The square root of 3745636216 is about 61201.6030509006. The cubic root of 3745636216 is about 1553.0133838909.

The spelling of 3745636216 in words is "three billion, seven hundred forty-five million, six hundred thirty-six thousand, two hundred sixteen".