1620883567 has 8 divisors (see below), whose sum is σ = 1634814720. Its totient is φ = 1606976280.

The previous prime is 1620883553. The next prime is 1620883571. The reversal of 1620883567 is 7653880261.

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

It is a cyclic number.

It is not a de Polignac number, because 1620883567 - 2²⁷ = 1486665839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620883507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147034 + ... + 157672.

It is an arithmetic number, because the mean of its divisors is an integer number (204351840).

Almost surely, 2^1620883567 is an apocalyptic number.

1620883567 is a deficient number, since it is larger than the sum of its proper divisors (13931153).

1620883567 is a wasteful number, since it uses less digits than its factorization.

1620883567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11933.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 1620883567 is about 40260.1982980710. The cubic root of 1620883567 is about 1174.6737750160.

The spelling of 1620883567 in words is "one billion, six hundred twenty million, eight hundred eighty-three thousand, five hundred sixty-seven".