620052166 has 4 divisors (see below), whose sum is σ = 930078252. Its totient is φ = 310026082.

The previous prime is 620052157. The next prime is 620052187. The reversal of 620052166 is 661250026.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×620052166² = 768929377122583112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155013040 + ... + 155013043.

It is an arithmetic number, because the mean of its divisors is an integer number (232519563).

Almost surely, 2^620052166 is an apocalyptic number.

620052166 is a deficient number, since it is larger than the sum of its proper divisors (310026086).

620052166 is a wasteful number, since it uses less digits than its factorization.

620052166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310026085.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 620052166 is about 24900.8466924320. The cubic root of 620052166 is about 852.7258127366.

The spelling of 620052166 in words is "six hundred twenty million, fifty-two thousand, one hundred sixty-six".