2406616551 has 24 divisors (see below), whose sum is σ = 3661135920. Its totient is φ = 1519157376.

The previous prime is 2406616519. The next prime is 2406616573. The reversal of 2406616551 is 1556166042.

2406616551 is a `hidden beast` number, since 2 + 40 + 6 + 61 + 6 + 551 = 666.

It is not a de Polignac number, because 2406616551 - 2⁵ = 2406616519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406616451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612445 + ... + 616361.

It is an arithmetic number, because the mean of its divisors is an integer number (152547330).

Almost surely, 2^2406616551 is an apocalyptic number.

2406616551 is a deficient number, since it is larger than the sum of its proper divisors (1254519369).

2406616551 is a wasteful number, since it uses less digits than its factorization.

2406616551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535 (or 7532 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 2406616551 is about 49057.2782673479. The cubic root of 2406616551 is about 1340.0951426839.

The spelling of 2406616551 in words is "two billion, four hundred six million, six hundred sixteen thousand, five hundred fifty-one".