1620672602 has 8 divisors (see below), whose sum is σ = 2558956800. Its totient is φ = 767687004.

The previous prime is 1620672601. The next prime is 1620672607. The reversal of 1620672602 is 2062760261.

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

It is not an unprimeable number, because it can be changed into a prime (1620672601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21324602 + ... + 21324677.

It is an arithmetic number, because the mean of its divisors is an integer number (319869600).

Almost surely, 2^1620672602 is an apocalyptic number.

1620672602 is a deficient number, since it is larger than the sum of its proper divisors (938284198).

1620672602 is a wasteful number, since it uses less digits than its factorization.

1620672602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42649300.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1620672602 is about 40257.5781934284. The cubic root of 1620672602 is about 1174.6228098490.

The spelling of 1620672602 in words is "one billion, six hundred twenty million, six hundred seventy-two thousand, six hundred two".