61566201206 has 32 divisors (see below), whose sum is σ = 94346635680. Its totient is φ = 30126007296.

The previous prime is 61566201181. The next prime is 61566201247. The reversal of 61566201206 is 60210266516.

It is a Curzon number.

It is a congruent 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, 8230340 + ... + 8237816.

It is an arithmetic number, because the mean of its divisors is an integer number (2948332365).

Almost surely, 2^61566201206 is an apocalyptic number.

61566201206 is a deficient number, since it is larger than the sum of its proper divisors (32780434474).

61566201206 is a wasteful number, since it uses less digits than its factorization.

61566201206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 61566201206 in words is "sixty-one billion, five hundred sixty-six million, two hundred one thousand, two hundred six".