61151683806 has 48 divisors (see below), whose sum is σ = 143421354000. Its totient is φ = 19311051888.

The previous prime is 61151683799. The next prime is 61151683811. The reversal of 61151683806 is 60838615116.

61151683806 is a `hidden beast` number, since 61 + 151 + 68 + 380 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1548981 + ... + 1587968.

It is an arithmetic number, because the mean of its divisors is an integer number (2987944875).

Almost surely, 2^61151683806 is an apocalyptic number.

61151683806 is an abundant number, since it is smaller than the sum of its proper divisors (82269670194).

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

61151683806 is a wasteful number, since it uses less digits than its factorization.

61151683806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136998 (or 3136973 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 61151683806 in words is "sixty-one billion, one hundred fifty-one million, six hundred eighty-three thousand, eight hundred six".