2126154116 has 6 divisors (see below), whose sum is σ = 3720769710. Its totient is φ = 1063077056.

The previous prime is 2126154103. The next prime is 2126154133. The reversal of 2126154116 is 6114516212.

It can be written as a sum of positive squares in only one way, i.e., 1552360000 + 573794116 = 39400^2 + 23954^2 .

It is a super-4 number, since 4×2126154116⁴ (a number of 38 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265769261 + ... + 265769268.

It is an arithmetic number, because the mean of its divisors is an integer number (620128285).

Almost surely, 2^2126154116 is an apocalyptic number.

It is an amenable number.

2126154116 is a deficient number, since it is larger than the sum of its proper divisors (1594615594).

2126154116 is a wasteful number, since it uses less digits than its factorization.

2126154116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531538533 (or 531538531 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 2126154116 is about 46110.2387328454. The cubic root of 2126154116 is about 1285.8735027916.

The spelling of 2126154116 in words is "two billion, one hundred twenty-six million, one hundred fifty-four thousand, one hundred sixteen".