16101015066551 has 4 divisors (see below), whose sum is σ = 16102021333104. Its totient is φ = 16100008800000.

The previous prime is 16101015066527. The next prime is 16101015066553. The reversal of 16101015066551 is 15566051010161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16101015066551 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 (16101015066553) 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, 503109275 + ... + 503141276.

It is an arithmetic number, because the mean of its divisors is an integer number (4025505333276).

Almost surely, 2^{16101015066551} is an apocalyptic number.

16101015066551 is a deficient number, since it is larger than the sum of its proper divisors (1006266553).

16101015066551 is a wasteful number, since it uses less digits than its factorization.

16101015066551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006266552.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 16101015066551 in words is "sixteen trillion, one hundred one billion, fifteen million, sixty-six thousand, five hundred fifty-one".