16603116511431 has 8 divisors (see below), whose sum is σ = 22137693548544. Its totient is φ = 11068641907640.

The previous prime is 16603116511409. The next prime is 16603116511451. The reversal of 16603116511431 is 13411561130661.

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 16603116511431 - 2²¹ = 16603114414279 is a prime.

It is a super-2 number, since 2×16603116511431² (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 16603116511431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16603116511451) 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, 25229325 + ... + 25879046.

It is an arithmetic number, because the mean of its divisors is an integer number (2767211693568).

Almost surely, 2^{16603116511431} is an apocalyptic number.

16603116511431 is a deficient number, since it is larger than the sum of its proper divisors (5534577037113).

16603116511431 is a wasteful number, since it uses less digits than its factorization.

16603116511431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51216661.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 16603116511431 in words is "sixteen trillion, six hundred three billion, one hundred sixteen million, five hundred eleven thousand, four hundred thirty-one".