61601550710 has 128 divisors (see below), whose sum is σ = 136549048320. Its totient is φ = 19528464384.

The previous prime is 61601550709. The next prime is 61601550733. The reversal of 61601550710 is 1705510616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38189864 + ... + 38191476.

It is an arithmetic number, because the mean of its divisors is an integer number (1066789440).

Almost surely, 2^61601550710 is an apocalyptic number.

61601550710 is an abundant number, since it is smaller than the sum of its proper divisors (74947497610).

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

61601550710 is a wasteful number, since it uses less digits than its factorization.

61601550710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 61601550710 in words is "sixty-one billion, six hundred one million, five hundred fifty thousand, seven hundred ten".