61151666010 has 32 divisors (see below), whose sum is σ = 150730595712. Its totient is φ = 15866377920.

The previous prime is 61151665999. The next prime is 61151666027. The reversal of 61151666010 is 1066615116.

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, 27544686 + ... + 27546905.

It is an arithmetic number, because the mean of its divisors is an integer number (4710331116).

Almost surely, 2^61151666010 is an apocalyptic number.

61151666010 is an abundant number, since it is smaller than the sum of its proper divisors (89578929702).

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

61151666010 is a wasteful number, since it uses less digits than its factorization.

61151666010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55091638.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 61151666010 in words is "sixty-one billion, one hundred fifty-one million, six hundred sixty-six thousand, ten".