16285620507 has 16 divisors (see below), whose sum is σ = 24138820608. Its totient is φ = 9698631840.

The previous prime is 16285620503. The next prime is 16285620517. The reversal of 16285620507 is 70502658261.

It is not a de Polignac number, because 16285620507 - 2² = 16285620503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16285620503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6733953 + ... + 6736370.

It is an arithmetic number, because the mean of its divisors is an integer number (1508676288).

Almost surely, 2^16285620507 is an apocalyptic number.

16285620507 is a deficient number, since it is larger than the sum of its proper divisors (7853200101).

16285620507 is a wasteful number, since it uses less digits than its factorization.

16285620507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470370.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 16285620507 in words is "sixteen billion, two hundred eighty-five million, six hundred twenty thousand, five hundred seven".