62640355166623 has 8 divisors (see below), whose sum is σ = 67459096417328. Its totient is φ = 57821649971904.

The previous prime is 62640355166563. The next prime is 62640355166639. The reversal of 62640355166623 is 32666155304626.

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

It is not a de Polignac number, because 62640355166623 - 2²¹ = 62640353069471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62640355166663) 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, 5350590 + ... + 12406027.

It is an arithmetic number, because the mean of its divisors is an integer number (8432387052166).

Almost surely, 2^{62640355166623} is an apocalyptic number.

62640355166623 is a deficient number, since it is larger than the sum of its proper divisors (4818741250705).

62640355166623 is a wasteful number, since it uses less digits than its factorization.

62640355166623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18027993.

The product of its (nonzero) digits is 27993600, while the sum is 55.

The spelling of 62640355166623 in words is "sixty-two trillion, six hundred forty billion, three hundred fifty-five million, one hundred sixty-six thousand, six hundred twenty-three".