2151040162 has 8 divisors (see below), whose sum is σ = 3237573276. Its totient is φ = 1071849072.

The previous prime is 2151040147. The next prime is 2151040181. The reversal of 2151040162 is 2610401512.

It can be written as a sum of positive squares in 2 ways, for example, as 1591291881 + 559748281 = 39891^2 + 23659^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834773 + ... + 1835944.

Almost surely, 2^2151040162 is an apocalyptic number.

2151040162 is a deficient number, since it is larger than the sum of its proper divisors (1086533114).

2151040162 is a wasteful number, since it uses less digits than its factorization.

2151040162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671012.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2151040162 is about 46379.3074765029. The cubic root of 2151040162 is about 1290.8709864171.

Adding to 2151040162 its reverse (2610401512), we get a palindrome (4761441674).

The spelling of 2151040162 in words is "two billion, one hundred fifty-one million, forty thousand, one hundred sixty-two".