151621671273 has 16 divisors (see below), whose sum is σ = 205299264576. Its totient is φ = 99514356480.

The previous prime is 151621671217. The next prime is 151621671277. The reversal of 151621671273 is 372176126151.

151621671273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151621671273 - 2¹⁷ = 151621540201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151621671277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126765 + ... + 565077.

It is an arithmetic number, because the mean of its divisors is an integer number (12831204036).

Almost surely, 2^151621671273 is an apocalyptic number.

It is an amenable number.

151621671273 is a deficient number, since it is larger than the sum of its proper divisors (53677593303).

151621671273 is a wasteful number, since it uses less digits than its factorization.

151621671273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440104.

The product of its digits is 105840, while the sum is 42.

The spelling of 151621671273 in words is "one hundred fifty-one billion, six hundred twenty-one million, six hundred seventy-one thousand, two hundred seventy-three".