620166452366 has 16 divisors (see below), whose sum is σ = 932048570880. Its totient is φ = 309484152120.

The previous prime is 620166452359. The next prime is 620166452383. The reversal of 620166452366 is 663254661026.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 620166452366.

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, 2107331 + ... + 2383521.

It is an arithmetic number, because the mean of its divisors is an integer number (58253035680).

Almost surely, 2^620166452366 is an apocalyptic number.

620166452366 is a deficient number, since it is larger than the sum of its proper divisors (311882118514).

620166452366 is a wasteful number, since it uses less digits than its factorization.

620166452366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278359.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 620166452366 in words is "six hundred twenty billion, one hundred sixty-six million, four hundred fifty-two thousand, three hundred sixty-six".