2516168412 has 36 divisors (see below), whose sum is σ = 6579638520. Its totient is φ = 809800992.

The previous prime is 2516168411. The next prime is 2516168429. The reversal of 2516168412 is 2148616152.

It is a happy number.

2516168412 is a `hidden beast` number, since 25 + 1 + 616 + 8 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2516168412² = 12662206955093203488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516168411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1204018 + ... + 1206105.

Almost surely, 2^2516168412 is an apocalyptic number.

It is an amenable number.

2516168412 is an abundant number, since it is smaller than the sum of its proper divisors (4063470108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2516168412 is a wasteful number, since it uses less digits than its factorization.

2516168412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410162 (or 2410157 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 2516168412 is about 50161.4235443932. The cubic root of 2516168412 is about 1360.1283781639.

The spelling of 2516168412 in words is "two billion, five hundred sixteen million, one hundred sixty-eight thousand, four hundred twelve".