2664201416550 has 24 divisors (see below), whose sum is σ = 6607219513416. Its totient is φ = 710453711040.

The previous prime is 2664201416491. The next prime is 2664201416557. The reversal of 2664201416550 is 556141024662.

It is a super-2 number, since 2×2664201416550² (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 (2664201416557) 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, 8880671239 + ... + 8880671538.

It is an arithmetic number, because the mean of its divisors is an integer number (275300813059).

Almost surely, 2^{2664201416550} is an apocalyptic number.

2664201416550 is an abundant number, since it is smaller than the sum of its proper divisors (3943018096866).

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

2664201416550 is a wasteful number, since it uses less digits than its factorization.

2664201416550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17761342792 (or 17761342787 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 2664201416550 in words is "two trillion, six hundred sixty-four billion, two hundred one million, four hundred sixteen thousand, five hundred fifty".