1620567372327 has 32 divisors (see below), whose sum is σ = 2261643351552. Its totient is φ = 1031243716224.

The previous prime is 1620567372323. The next prime is 1620567372353. The reversal of 1620567372327 is 7232737650261.

It is not a de Polignac number, because 1620567372327 - 2² = 1620567372323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1620567372327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620567372323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560973 + ... + 1885689.

It is an arithmetic number, because the mean of its divisors is an integer number (70676354736).

Almost surely, 2^{1620567372327} is an apocalyptic number.

1620567372327 is a deficient number, since it is larger than the sum of its proper divisors (641075979225).

1620567372327 is a wasteful number, since it uses less digits than its factorization.

1620567372327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324967.

The product of its (nonzero) digits is 4445280, while the sum is 51.

The spelling of 1620567372327 in words is "one trillion, six hundred twenty billion, five hundred sixty-seven million, three hundred seventy-two thousand, three hundred twenty-seven".