16505285250572 has 24 divisors (see below), whose sum is σ = 29927425881696. Its totient is φ = 7958539830528.

The previous prime is 16505285250563. The next prime is 16505285250583. The reversal of 16505285250572 is 27505258250561.

It is a super-3 number, since 3×16505285250572³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493444328 + ... + 493477775.

It is an arithmetic number, because the mean of its divisors is an integer number (1246976078404).

Almost surely, 2^{16505285250572} is an apocalyptic number.

It is an amenable number.

16505285250572 is a deficient number, since it is larger than the sum of its proper divisors (13422140631124).

16505285250572 is a wasteful number, since it uses less digits than its factorization.

16505285250572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986922257 (or 986922255 counting only the distinct ones).

The product of its (nonzero) digits is 8400000, while the sum is 53.

The spelling of 16505285250572 in words is "sixteen trillion, five hundred five billion, two hundred eighty-five million, two hundred fifty thousand, five hundred seventy-two".