2661251702322 has 8 divisors (see below), whose sum is σ = 5322503404656. Its totient is φ = 887083900772.

The previous prime is 2661251702303. The next prime is 2661251702323. The reversal of 2661251702322 is 2232071521662.

It is a sphenic number, since it is the product of 3 distinct primes.

2661251702322 is an admirable number.

It is a super-2 number, since 2×2661251702322² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2661251702323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221770975188 + ... + 221770975199.

It is an arithmetic number, because the mean of its divisors is an integer number (665312925582).

Almost surely, 2^{2661251702322} is an apocalyptic number.

2661251702322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2661251702322 is a wasteful number, since it uses less digits than its factorization.

2661251702322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443541950392.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 2661251702322 in words is "two trillion, six hundred sixty-one billion, two hundred fifty-one million, seven hundred two thousand, three hundred twenty-two".