61523046764 has 12 divisors (see below), whose sum is σ = 107817192000. Its totient is φ = 30718134768.

The previous prime is 61523046751. The next prime is 61523046791. The reversal of 61523046764 is 46764032516.

61523046764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 10843964 + ... + 10849635.

It is an arithmetic number, because the mean of its divisors is an integer number (8984766000).

Almost surely, 2^61523046764 is an apocalyptic number.

It is an amenable number.

61523046764 is a deficient number, since it is larger than the sum of its proper divisors (46294145236).

61523046764 is a wasteful number, since it uses less digits than its factorization.

61523046764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21694312 (or 21694310 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 61523046764 in words is "sixty-one billion, five hundred twenty-three million, forty-six thousand, seven hundred sixty-four".