16451377361601 has 64 divisors (see below), whose sum is σ = 27274047983616. Its totient is φ = 8589055968000.

The previous prime is 16451377361599. The next prime is 16451377361659. The reversal of 16451377361601 is 10616377315461.

It is not a de Polignac number, because 16451377361601 - 2¹ = 16451377361599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16451377361401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10698406 + ... + 12139136.

It is an arithmetic number, because the mean of its divisors is an integer number (426156999744).

Almost surely, 2^{16451377361601} is an apocalyptic number.

It is an amenable number.

16451377361601 is a deficient number, since it is larger than the sum of its proper divisors (10822670622015).

16451377361601 is a wasteful number, since it uses less digits than its factorization.

16451377361601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441182.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 16451377361601 in words is "sixteen trillion, four hundred fifty-one billion, three hundred seventy-seven million, three hundred sixty-one thousand, six hundred one".