16191453052 has 12 divisors (see below), whose sum is σ = 28385917560. Its totient is φ = 8081190896.

The previous prime is 16191453029. The next prime is 16191453053. The reversal of 16191453052 is 25035419161.

It is a super-2 number, since 2×16191453052² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16191453053) 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, 3631402 + ... + 3635857.

It is an arithmetic number, because the mean of its divisors is an integer number (2365493130).

Almost surely, 2^16191453052 is an apocalyptic number.

It is an amenable number.

16191453052 is a deficient number, since it is larger than the sum of its proper divisors (12194464508).

16191453052 is a wasteful number, since it uses less digits than its factorization.

16191453052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267820 (or 7267818 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 16191453052 in words is "sixteen billion, one hundred ninety-one million, four hundred fifty-three thousand, fifty-two".