3663115714638 has 24 divisors (see below), whose sum is σ = 8230704446328. Its totient is φ = 1221038571384.

The previous prime is 3663115714633. The next prime is 3663115714663. The reversal of 3663115714638 is 8364175113663.

3663115714638 is a `hidden beast` number, since 3 + 6 + 6 + 3 + 1 + 1 + 571 + 4 + 63 + 8 = 666.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663115714633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3768637081 + ... + 3768638052.

It is an arithmetic number, because the mean of its divisors is an integer number (342946018597).

Almost surely, 2^{3663115714638} is an apocalyptic number.

3663115714638 is an abundant number, since it is smaller than the sum of its proper divisors (4567588731690).

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

3663115714638 is an equidigital number, since it uses as much as digits as its factorization.

3663115714638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537275150 (or 7537275138 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 3663115714638 in words is "three trillion, six hundred sixty-three billion, one hundred fifteen million, seven hundred fourteen thousand, six hundred thirty-eight".