61681702610 has 32 divisors (see below), whose sum is σ = 121142499264. Its totient is φ = 22425624000.

The previous prime is 61681702601. The next prime is 61681702637. The reversal of 61681702610 is 1620718616.

It is a super-3 number, since 3×61681702610³ (a number of 33 digits) contains 333 as substring.

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, 592145 + ... + 688475.

It is an arithmetic number, because the mean of its divisors is an integer number (3785703102).

Almost surely, 2^61681702610 is an apocalyptic number.

61681702610 is a deficient number, since it is larger than the sum of its proper divisors (59460796654).

61681702610 is a wasteful number, since it uses less digits than its factorization.

61681702610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102170.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 61681702610 in words is "sixty-one billion, six hundred eighty-one million, seven hundred two thousand, six hundred ten".