61650701257636 has 24 divisors (see below), whose sum is σ = 108024626666880. Its totient is φ = 30786541927392.

The previous prime is 61650701257573. The next prime is 61650701257669. The reversal of 61650701257636 is 63675210705616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10054135 + ... + 14979553.

It is an arithmetic number, because the mean of its divisors is an integer number (4501026111120).

Almost surely, 2^{61650701257636} is an apocalyptic number.

It is an amenable number.

61650701257636 is a deficient number, since it is larger than the sum of its proper divisors (46373925409244).

61650701257636 is a wasteful number, since it uses less digits than its factorization.

61650701257636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929363 (or 4929361 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 61650701257636 in words is "sixty-one trillion, six hundred fifty billion, seven hundred one million, two hundred fifty-seven thousand, six hundred thirty-six".