2661763641102 has 12 divisors (see below), whose sum is σ = 5767154555760. Its totient is φ = 887254547028.

The previous prime is 2661763641101. The next prime is 2661763641109. The reversal of 2661763641102 is 2011463671662.

2661763641102 is a `hidden beast` number, since 2 + 6 + 6 + 1 + 7 + 636 + 4 + 1 + 1 + 0 + 2 = 666.

It is a super-3 number, since 3×2661763641102³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661763641101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73937878902 + ... + 73937878937.

It is an arithmetic number, because the mean of its divisors is an integer number (480596212980).

Almost surely, 2^{2661763641102} is an apocalyptic number.

2661763641102 is an abundant number, since it is smaller than the sum of its proper divisors (3105390914658).

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

2661763641102 is a wasteful number, since it uses less digits than its factorization.

2661763641102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147875757847 (or 147875757844 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 2661763641102 in words is "two trillion, six hundred sixty-one billion, seven hundred sixty-three million, six hundred forty-one thousand, one hundred two".