16987142253 has 8 divisors (see below), whose sum is σ = 22654382400. Its totient is φ = 11322331808.

The previous prime is 16987142239. The next prime is 16987142257. The reversal of 16987142253 is 35224178961.

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

It is a cyclic number.

It is not a de Polignac number, because 16987142253 - 2⁹ = 16987141741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16987142257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591048 + ... + 619121.

It is an arithmetic number, because the mean of its divisors is an integer number (2831797800).

Almost surely, 2^16987142253 is an apocalyptic number.

It is an amenable number.

16987142253 is a deficient number, since it is larger than the sum of its proper divisors (5667240147).

16987142253 is a wasteful number, since it uses less digits than its factorization.

16987142253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214851.

The product of its digits is 725760, while the sum is 48.

The spelling of 16987142253 in words is "sixteen billion, nine hundred eighty-seven million, one hundred forty-two thousand, two hundred fifty-three".