10641201645550 has 96 divisors (see below), whose sum is σ = 23664885350400. Its totient is φ = 3483693638400.

The previous prime is 10641201645539. The next prime is 10641201645563. The reversal of 10641201645550 is 5554610214601.

It is a super-2 number, since 2×10641201645550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7214350 + ... + 8563249.

It is an arithmetic number, because the mean of its divisors is an integer number (246509222400).

Almost surely, 2^{10641201645550} is an apocalyptic number.

10641201645550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10641201645550 is an abundant number, since it is smaller than the sum of its proper divisors (13023683704850).

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

10641201645550 is a wasteful number, since it uses less digits than its factorization.

10641201645550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15777706 (or 15777701 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 10641201645550 in words is "ten trillion, six hundred forty-one billion, two hundred one million, six hundred forty-five thousand, five hundred fifty".