61660495610 has 16 divisors (see below), whose sum is σ = 126844448256. Its totient is φ = 21140741328.

The previous prime is 61660495601. The next prime is 61660495613. The reversal of 61660495610 is 1659406616.

It is not an unprimeable number, because it can be changed into a prime (61660495613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440432042 + ... + 440432181.

It is an arithmetic number, because the mean of its divisors is an integer number (7927778016).

Almost surely, 2^61660495610 is an apocalyptic number.

61660495610 is an abundant number, since it is smaller than the sum of its proper divisors (65183952646).

61660495610 is a wasteful number, since it uses less digits than its factorization.

61660495610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880864237.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 61660495610 in words is "sixty-one billion, six hundred sixty million, four hundred ninety-five thousand, six hundred ten".