2171516151 has 8 divisors (see below), whose sum is σ = 3308977024. Its totient is φ = 1240866360.

The previous prime is 2171516093. The next prime is 2171516153. The reversal of 2171516151 is 1516151712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2171516151 - 2¹⁴ = 2171499767 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 (2171516153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51702745 + ... + 51702786.

It is an arithmetic number, because the mean of its divisors is an integer number (413622128).

Almost surely, 2^2171516151 is an apocalyptic number.

2171516151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2171516151 is a deficient number, since it is larger than the sum of its proper divisors (1137460873).

2171516151 is a wasteful number, since it uses less digits than its factorization.

2171516151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103405541.

The product of its digits is 2100, while the sum is 30.

The square root of 2171516151 is about 46599.5295147923. The cubic root of 2171516151 is about 1294.9540392050.

Adding to 2171516151 its reverse (1516151712), we get a palindrome (3687667863).

The spelling of 2171516151 in words is "two billion, one hundred seventy-one million, five hundred sixteen thousand, one hundred fifty-one".