620164652515 has 8 divisors (see below), whose sum is σ = 748053530208. Its totient is φ = 493561090560.

The previous prime is 620164652483. The next prime is 620164652573. The reversal of 620164652515 is 515256461026.

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

It is not a de Polignac number, because 620164652515 - 2⁵ = 620164652483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321327871 + ... + 321329800.

It is an arithmetic number, because the mean of its divisors is an integer number (93506691276).

Almost surely, 2^620164652515 is an apocalyptic number.

620164652515 is a deficient number, since it is larger than the sum of its proper divisors (127888877693).

620164652515 is a wasteful number, since it uses less digits than its factorization.

620164652515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642657869.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 620164652515 in words is "six hundred twenty billion, one hundred sixty-four million, six hundred fifty-two thousand, five hundred fifteen".