16505151215061 has 8 divisors (see below), whose sum is σ = 22379866054560. Its totient is φ = 10816935259472.

The previous prime is 16505151214987. The next prime is 16505151215071. The reversal of 16505151215061 is 16051215150561.

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 16505151215061 - 2²¹ = 16505149117909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16505151215071) 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, 46624720770 + ... + 46624721123.

It is an arithmetic number, because the mean of its divisors is an integer number (2797483256820).

Almost surely, 2^{16505151215061} is an apocalyptic number.

It is an amenable number.

16505151215061 is a deficient number, since it is larger than the sum of its proper divisors (5874714839499).

16505151215061 is an equidigital number, since it uses as much as digits as its factorization.

16505151215061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93249441955.

The product of its (nonzero) digits is 45000, while the sum is 39.

The spelling of 16505151215061 in words is "sixteen trillion, five hundred five billion, one hundred fifty-one million, two hundred fifteen thousand, sixty-one".