61650637247454 has 16 divisors (see below), whose sum is σ = 123303556936848. Its totient is φ = 20549832008832.

The previous prime is 61650637247389. The next prime is 61650637247489. The reversal of 61650637247454 is 45474273605616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94750507 + ... + 95398950.

It is an arithmetic number, because the mean of its divisors is an integer number (7706472308553).

Almost surely, 2^{61650637247454} is an apocalyptic number.

61650637247454 is an abundant number, since it is smaller than the sum of its proper divisors (61652919689394).

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

61650637247454 is a wasteful number, since it uses less digits than its factorization.

61650637247454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190203499.

The product of its (nonzero) digits is 101606400, while the sum is 60.

The spelling of 61650637247454 in words is "sixty-one trillion, six hundred fifty billion, six hundred thirty-seven million, two hundred forty-seven thousand, four hundred fifty-four".