1620096772 has 24 divisors (see below), whose sum is σ = 3260081216. Its totient is φ = 690065568.

The previous prime is 1620096749. The next prime is 1620096773. The reversal of 1620096772 is 2776900261.

It is not an unprimeable number, because it can be changed into a prime (1620096773) 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 7 ways as a sum of consecutive naturals, for example, 172923 + ... + 182050.

Almost surely, 2^1620096772 is an apocalyptic number.

It is an amenable number.

1620096772 is an abundant number, since it is smaller than the sum of its proper divisors (1639984444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1620096772 is a wasteful number, since it uses less digits than its factorization.

1620096772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355147 (or 355145 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 1620096772 is about 40250.4257368789. The cubic root of 1620096772 is about 1174.4836776610.

The spelling of 1620096772 in words is "one billion, six hundred twenty million, ninety-six thousand, seven hundred seventy-two".