172361151 has 12 divisors (see below), whose sum is σ = 249083640. Its totient is φ = 114853200.

The previous prime is 172361129. The next prime is 172361153. The reversal of 172361151 is 151163271.

172361151 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 172361151 - 2¹³ = 172352959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172361153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27676 + ... + 33326.

It is an arithmetic number, because the mean of its divisors is an integer number (20756970).

Almost surely, 2^172361151 is an apocalyptic number.

172361151 is a deficient number, since it is larger than the sum of its proper divisors (76722489).

172361151 is a wasteful number, since it uses less digits than its factorization.

172361151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046 (or 9043 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 172361151 is about 13128.6385813610. The cubic root of 172361151 is about 556.5187425727.

The spelling of 172361151 in words is "one hundred seventy-two million, three hundred sixty-one thousand, one hundred fifty-one".