16090481431 has 4 divisors (see below), whose sum is σ = 16092186264. Its totient is φ = 16088776600.

The previous prime is 16090481387. The next prime is 16090481479. The reversal of 16090481431 is 13418409061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13418409061 = 983 ⋅13650467.

It is a cyclic number.

It is not a de Polignac number, because 16090481431 - 2²⁹ = 15553610519 is a prime.

It is a super-2 number, since 2×16090481431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16090487431) 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, 838180 + ... + 857161.

It is an arithmetic number, because the mean of its divisors is an integer number (4023046566).

Almost surely, 2^16090481431 is an apocalyptic number.

16090481431 is a deficient number, since it is larger than the sum of its proper divisors (1704833).

16090481431 is an equidigital number, since it uses as much as digits as its factorization.

16090481431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704832.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 16090481431 in words is "sixteen billion, ninety million, four hundred eighty-one thousand, four hundred thirty-one".