16563137400146 has 8 divisors (see below), whose sum is σ = 25924910713344. Its totient is φ = 7921500495700.

The previous prime is 16563137400143. The next prime is 16563137400193. The reversal of 16563137400146 is 64100473136561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16563137400146² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16563137400146.

It is not an unprimeable number, because it can be changed into a prime (16563137400143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180034102130 + ... + 180034102221.

It is an arithmetic number, because the mean of its divisors is an integer number (3240613839168).

Almost surely, 2^{16563137400146} is an apocalyptic number.

16563137400146 is a deficient number, since it is larger than the sum of its proper divisors (9361773313198).

16563137400146 is a wasteful number, since it uses less digits than its factorization.

16563137400146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360068204376.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 16563137400146 in words is "sixteen trillion, five hundred sixty-three billion, one hundred thirty-seven million, four hundred thousand, one hundred forty-six".