661060226263332 has 48 divisors (see below), whose sum is σ = 1765431150940800. Its totient is φ = 188595363121152.

The previous prime is 661060226263313. The next prime is 661060226263369. The reversal of 661060226263332 is 233362622060166.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5812176957 + ... + 5812290692.

It is an arithmetic number, because the mean of its divisors is an integer number (36779815644600).

Almost surely, 2^{661060226263332} is an apocalyptic number.

It is an amenable number.

661060226263332 is an abundant number, since it is smaller than the sum of its proper divisors (1104370924677468).

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

661060226263332 is a wasteful number, since it uses less digits than its factorization.

661060226263332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624468340 (or 11624468338 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 48.

The spelling of 661060226263332 in words is "six hundred sixty-one trillion, sixty billion, two hundred twenty-six million, two hundred sixty-three thousand, three hundred thirty-two".