16653951970 has 24 divisors (see below), whose sum is σ = 30791895444. Its totient is φ = 6480571968.

The previous prime is 16653951959. The next prime is 16653951971. The reversal of 16653951970 is 7915935661.

16653951970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 13322007241 + 3331944729 = 115421^2 + 57723^2 .

It is not an unprimeable number, because it can be changed into a prime (16653951971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2478976 + ... + 2485684.

Almost surely, 2^16653951970 is an apocalyptic number.

16653951970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16653951970 is a deficient number, since it is larger than the sum of its proper divisors (14137943474).

16653951970 is an frugal number, since it uses more digits than its factorization.

16653951970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13462 (or 6753 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 52.

The spelling of 16653951970 in words is "sixteen billion, six hundred fifty-three million, nine hundred fifty-one thousand, nine hundred seventy".