3261642356016 has 120 divisors (see below), whose sum is σ = 10060552114704. Its totient is φ = 978186977280.

The previous prime is 3261642355963. The next prime is 3261642356039. The reversal of 3261642356016 is 6106532461623.

3261642356016 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 6 + 4 + 2 + 35 + 601 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10460361 + ... + 10767656.

Almost surely, 2^{3261642356016} is an apocalyptic number.

3261642356016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3261642356016 is an abundant number, since it is smaller than the sum of its proper divisors (6798909758688).

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

3261642356016 is a wasteful number, since it uses less digits than its factorization.

3261642356016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228139 (or 21228130 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 3261642356016 in words is "three trillion, two hundred sixty-one billion, six hundred forty-two million, three hundred fifty-six thousand, sixteen".