201056506610 has 32 divisors (see below), whose sum is σ = 383454242352. Its totient is φ = 75639674880.

The previous prime is 201056506603. The next prime is 201056506639. The reversal of 201056506610 is 16605650102.

It can be written as a sum of positive squares in 8 ways, for example, as 180749971609 + 20306535001 = 425147^2 + 142501^2 .

It is a Curzon number.

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, 159971 + ... + 653990.

Almost surely, 2^201056506610 is an apocalyptic number.

201056506610 is a deficient number, since it is larger than the sum of its proper divisors (182397735742).

201056506610 is a wasteful number, since it uses less digits than its factorization.

201056506610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815438.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 201056506610 in words is "two hundred one billion, fifty-six million, five hundred six thousand, six hundred ten".