16119694531 has 8 divisors (see below), whose sum is σ = 16496350640. Its totient is φ = 15743119392.

The previous prime is 16119694517. The next prime is 16119694537. The reversal of 16119694531 is 13549691161.

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 16119694531 - 2¹³ = 16119686339 is a prime.

It is a super-2 number, since 2×16119694531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16119694537) 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, 605701 + ... + 631753.

It is an arithmetic number, because the mean of its divisors is an integer number (2062043830).

Almost surely, 2^16119694531 is an apocalyptic number.

16119694531 is a deficient number, since it is larger than the sum of its proper divisors (376656109).

16119694531 is a wasteful number, since it uses less digits than its factorization.

16119694531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40485.

The product of its digits is 174960, while the sum is 46.

It can be divided in two parts, 16119694 and 531, that added together give a square (16120225 = 4015²).

The spelling of 16119694531 in words is "sixteen billion, one hundred nineteen million, six hundred ninety-four thousand, five hundred thirty-one".