2151056162 has 8 divisors (see below), whose sum is σ = 3230369436. Its totient is φ = 1074266352.

The previous prime is 2151056147. The next prime is 2151056197. The reversal of 2151056162 is 2616501512.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2151011641 + 44521 = 46379^2 + 211^2 .

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

It is a super-2 number, since 2×2151056162² = 9254085224156340488, which contains 22 as substring.

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, 628733 + ... + 632144.

Almost surely, 2^2151056162 is an apocalyptic number.

2151056162 is a deficient number, since it is larger than the sum of its proper divisors (1079313274).

2151056162 is a wasteful number, since it uses less digits than its factorization.

2151056162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261732.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2151056162 is about 46379.4799668992. The cubic root of 2151056162 is about 1290.8741870213.

Adding to 2151056162 its reverse (2616501512), we get a palindrome (4767557674).

The spelling of 2151056162 in words is "two billion, one hundred fifty-one million, fifty-six thousand, one hundred sixty-two".