1620630152 has 16 divisors (see below), whose sum is σ = 3136704000. Its totient is φ = 784175760.

The previous prime is 1620630101. The next prime is 1620630181. The reversal of 1620630152 is 2510360261.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3267152 + ... + 3267647.

It is an arithmetic number, because the mean of its divisors is an integer number (196044000).

Almost surely, 2^1620630152 is an apocalyptic number.

It is an amenable number.

1620630152 is a deficient number, since it is larger than the sum of its proper divisors (1516073848).

1620630152 is a wasteful number, since it uses less digits than its factorization.

1620630152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534836 (or 6534832 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1620630152 is about 40257.0509600492. The cubic root of 1620630152 is about 1174.6125541948.

The spelling of 1620630152 in words is "one billion, six hundred twenty million, six hundred thirty thousand, one hundred fifty-two".