16557007363534 has 32 divisors (see below), whose sum is σ = 28519651906560. Its totient is φ = 7129710590400.

The previous prime is 16557007363517. The next prime is 16557007363543. The reversal of 16557007363534 is 43536370075561.

It is a super-2 number, since 2×16557007363534² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34283242 + ... + 34762834.

It is an arithmetic number, because the mean of its divisors is an integer number (891239122080).

Almost surely, 2^{16557007363534} is an apocalyptic number.

16557007363534 is a deficient number, since it is larger than the sum of its proper divisors (11962644543026).

16557007363534 is a wasteful number, since it uses less digits than its factorization.

16557007363534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562216.

The product of its (nonzero) digits is 23814000, while the sum is 55.

The spelling of 16557007363534 in words is "sixteen trillion, five hundred fifty-seven billion, seven million, three hundred sixty-three thousand, five hundred thirty-four".