16390015890133 has 4 divisors (see below), whose sum is σ = 16392368418400. Its totient is φ = 16387663361868.

The previous prime is 16390015890113. The next prime is 16390015890179. The reversal of 16390015890133 is 33109851009361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16390015890133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390015890113) 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, 1176253683 + ... + 1176267616.

It is an arithmetic number, because the mean of its divisors is an integer number (4098092104600).

Almost surely, 2^{16390015890133} is an apocalyptic number.

It is an amenable number.

16390015890133 is a deficient number, since it is larger than the sum of its proper divisors (2352528267).

16390015890133 is an equidigital number, since it uses as much as digits as its factorization.

16390015890133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352528266.

The product of its (nonzero) digits is 524880, while the sum is 49.

Adding to 16390015890133 its reverse (33109851009361), we get a palindrome (49499866899494).

The spelling of 16390015890133 in words is "sixteen trillion, three hundred ninety billion, fifteen million, eight hundred ninety thousand, one hundred thirty-three".