16312533061 has 8 divisors (see below), whose sum is σ = 18039265344. Its totient is φ = 14626429920.

The previous prime is 16312533059. The next prime is 16312533071. The reversal of 16312533061 is 16033521361.

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 16312533061 - 2¹ = 16312533059 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 (16312533071) 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, 10156441 + ... + 10158046.

It is an arithmetic number, because the mean of its divisors is an integer number (2254908168).

Almost surely, 2^16312533061 is an apocalyptic number.

16312533061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16312533061 is a deficient number, since it is larger than the sum of its proper divisors (1726732283).

16312533061 is a wasteful number, since it uses less digits than its factorization.

16312533061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20314571.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 16312533061 in words is "sixteen billion, three hundred twelve million, five hundred thirty-three thousand, sixty-one".