2516616742 has 8 divisors (see below), whose sum is σ = 3798969696. Its totient is φ = 1250293512.

The previous prime is 2516616733. The next prime is 2516616749. The reversal of 2516616742 is 2476166152.

It is a happy number.

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

It is a super-2 number, since 2×2516616742² = 12666719652229389128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2516616695 and 2516616704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516616749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4007038 + ... + 4007665.

It is an arithmetic number, because the mean of its divisors is an integer number (474871212).

Almost surely, 2^2516616742 is an apocalyptic number.

2516616742 is a deficient number, since it is larger than the sum of its proper divisors (1282352954).

2516616742 is a wasteful number, since it uses less digits than its factorization.

2516616742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014862.

The product of its digits is 120960, while the sum is 40.

The square root of 2516616742 is about 50165.8922177210. The cubic root of 2516616742 is about 1360.2091557646.

The spelling of 2516616742 in words is "two billion, five hundred sixteen million, six hundred sixteen thousand, seven hundred forty-two".