3646330531662 has 128 divisors (see below), whose sum is σ = 9049895543808. Its totient is φ = 953721216000.

The previous prime is 3646330531661. The next prime is 3646330531663. The reversal of 3646330531662 is 2661350336463.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3646330531661) and next prime (3646330531663).

It is a super-2 number, since 2×3646330531662² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646330531661) 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, 78593712 + ... + 78640092.

It is an arithmetic number, because the mean of its divisors is an integer number (70702308936).

Almost surely, 2^{3646330531662} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3646330531662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4524947771904).

3646330531662 is an abundant number, since it is smaller than the sum of its proper divisors (5403565012146).

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

3646330531662 is a wasteful number, since it uses less digits than its factorization.

3646330531662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47594.

The product of its (nonzero) digits is 4199040, while the sum is 48.

The spelling of 3646330531662 in words is "three trillion, six hundred forty-six billion, three hundred thirty million, five hundred thirty-one thousand, six hundred sixty-two".