16653537456554 has 16 divisors (see below), whose sum is σ = 25511957769600. Its totient is φ = 8149553696064.

The previous prime is 16653537456553. The next prime is 16653537456583. The reversal of 16653537456554 is 45565473535661.

It is not an unprimeable number, because it can be changed into a prime (16653537456553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18484937 + ... + 19364915.

It is an arithmetic number, because the mean of its divisors is an integer number (1594497360600).

Almost surely, 2^{16653537456554} is an apocalyptic number.

16653537456554 is a deficient number, since it is larger than the sum of its proper divisors (8858420313046).

16653537456554 is a wasteful number, since it uses less digits than its factorization.

16653537456554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081357.

The product of its digits is 680400000, while the sum is 65.

The spelling of 16653537456554 in words is "sixteen trillion, six hundred fifty-three billion, five hundred thirty-seven million, four hundred fifty-six thousand, five hundred fifty-four".