61620464324373 has 8 divisors (see below), whose sum is σ = 84164536638336. Its totient is φ = 40078350780000.

The previous prime is 61620464324369. The next prime is 61620464324389. The reversal of 61620464324373 is 37342346402616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61620464324373 - 2² = 61620464324369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61620464324773) 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, 250489692253 + ... + 250489692498.

It is an arithmetic number, because the mean of its divisors is an integer number (10520567079792).

Almost surely, 2^{61620464324373} is an apocalyptic number.

It is an amenable number.

61620464324373 is a deficient number, since it is larger than the sum of its proper divisors (22544072313963).

61620464324373 is a wasteful number, since it uses less digits than its factorization.

61620464324373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500979384795.

The product of its (nonzero) digits is 10450944, while the sum is 51.

The spelling of 61620464324373 in words is "sixty-one trillion, six hundred twenty billion, four hundred sixty-four million, three hundred twenty-four thousand, three hundred seventy-three".