16291161503 has 8 divisors (see below), whose sum is σ = 16673414736. Its totient is φ = 15909062400.

The previous prime is 16291161461. The next prime is 16291161517. The reversal of 16291161503 is 30516119261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16291161503 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 (16291163503) 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, 191213 + ... + 262953.

It is an arithmetic number, because the mean of its divisors is an integer number (2084176842).

Almost surely, 2^16291161503 is an apocalyptic number.

16291161503 is a deficient number, since it is larger than the sum of its proper divisors (382253233).

16291161503 is an equidigital number, since it uses as much as digits as its factorization.

16291161503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77065.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 16291161503 in words is "sixteen billion, two hundred ninety-one million, one hundred sixty-one thousand, five hundred three".