151640211 has 8 divisors (see below), whose sum is σ = 202474960. Its totient is φ = 100949472.

The previous prime is 151640201. The next prime is 151640213. The reversal of 151640211 is 112046151.

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

It is not a de Polignac number, because 151640211 - 2⁶ = 151640147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151640213) 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, 33520 + ... + 37773.

It is an arithmetic number, because the mean of its divisors is an integer number (25309370).

Almost surely, 2^151640211 is an apocalyptic number.

151640211 is a deficient number, since it is larger than the sum of its proper divisors (50834749).

151640211 is an equidigital number, since it uses as much as digits as its factorization.

151640211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72005.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 151640211 is about 12314.2279904182. The cubic root of 151640211 is about 533.2589174384.

Adding to 151640211 its reverse (112046151), we get a palindrome (263686362).

The spelling of 151640211 in words is "one hundred fifty-one million, six hundred forty thousand, two hundred eleven".