3664135251810 has 128 divisors (see below), whose sum is σ = 10683368017920. Its totient is φ = 886269758400.

The previous prime is 3664135251787. The next prime is 3664135251811. The reversal of 3664135251810 is 181525314663.

3664135251810 is a `hidden beast` number, since 3 + 6 + 6 + 41 + 3 + 525 + 1 + 81 + 0 = 666.

It is a super-2 number, since 2×3664135251810² (a number of 26 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3664135251811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76746 + ... + 2708165.

It is an arithmetic number, because the mean of its divisors is an integer number (83463812640).

Almost surely, 2^{3664135251810} is an apocalyptic number.

3664135251810 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3664135251810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5341684008960).

3664135251810 is an abundant number, since it is smaller than the sum of its proper divisors (7019232766110).

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

3664135251810 is a wasteful number, since it uses less digits than its factorization.

3664135251810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785381 (or 2785375 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 3664135251810 in words is "three trillion, six hundred sixty-four billion, one hundred thirty-five million, two hundred fifty-one thousand, eight hundred ten".