261652670352652 has 48 divisors (see below), whose sum is σ = 490968538220160. Its totient is φ = 121570942851072.

The previous prime is 261652670352613. The next prime is 261652670352677. The reversal of 261652670352652 is 256253076256162.

261652670352652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1052664178 + ... + 1052912710.

It is an arithmetic number, because the mean of its divisors is an integer number (10228511212920).

Almost surely, 2^{261652670352652} is an apocalyptic number.

It is an amenable number.

261652670352652 is a deficient number, since it is larger than the sum of its proper divisors (229315867867508).

261652670352652 is a wasteful number, since it uses less digits than its factorization.

261652670352652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444610 (or 444608 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 58.

The spelling of 261652670352652 in words is "two hundred sixty-one trillion, six hundred fifty-two billion, six hundred seventy million, three hundred fifty-two thousand, six hundred fifty-two".