61523166908 has 12 divisors (see below), whose sum is σ = 123046333872. Its totient is φ = 26367071520.

The previous prime is 61523166871. The next prime is 61523166911. The reversal of 61523166908 is 80966132516.

It is a happy number.

61523166908 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098627953 + ... + 1098628008.

It is an arithmetic number, because the mean of its divisors is an integer number (10253861156).

Almost surely, 2^61523166908 is an apocalyptic number.

It is an amenable number.

61523166908 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61523166908 is a wasteful number, since it uses less digits than its factorization.

61523166908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197255972 (or 2197255970 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 61523166908 in words is "sixty-one billion, five hundred twenty-three million, one hundred sixty-six thousand, nine hundred eight".