16772736515145 has 32 divisors (see below), whose sum is σ = 28902162465792. Its totient is φ = 8256933710592.

The previous prime is 16772736515113. The next prime is 16772736515147. The reversal of 16772736515145 is 54151563727761.

It is a happy number.

It is not a de Polignac number, because 16772736515145 - 2⁵ = 16772736515113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16772736515147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1768687 + ... + 6055883.

It is an arithmetic number, because the mean of its divisors is an integer number (903192577056).

Almost surely, 2^{16772736515145} is an apocalyptic number.

16772736515145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16772736515145 is a deficient number, since it is larger than the sum of its proper divisors (12129425950647).

16772736515145 is a wasteful number, since it uses less digits than its factorization.

16772736515145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307281.

The product of its digits is 37044000, while the sum is 60.

The spelling of 16772736515145 in words is "sixteen trillion, seven hundred seventy-two billion, seven hundred thirty-six million, five hundred fifteen thousand, one hundred forty-five".