3661150953600 has 2592 divisors, whose sum is σ = 16572992117760. Its totient is φ = 766815436800.

The previous prime is 3661150953571. The next prime is 3661150953659. The reversal of 3661150953600 is 63590511663.

3661150953600 is a `hidden beast` number, since 3 + 6 + 61 + 1 + 50 + 9 + 536 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 323 ways as a sum of consecutive naturals, for example, 19168329505 + ... + 19168329695.

It is an arithmetic number, because the mean of its divisors is an integer number (6393901280).

Almost surely, 2^{3661150953600} is an apocalyptic number.

3661150953600 is a gapful number since it is divisible by the number (30) 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 3661150953600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8286496058880).

3661150953600 is an abundant number, since it is smaller than the sum of its proper divisors (12911841164160).

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

3661150953600 is a wasteful number, since it uses less digits than its factorization.

3661150953600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 3661150953600 in words is "three trillion, six hundred sixty-one billion, one hundred fifty million, nine hundred fifty-three thousand, six hundred".