616612461 has 16 divisors (see below), whose sum is σ = 837059520. Its totient is φ = 403643520.

The previous prime is 616612429. The next prime is 616612463. The reversal of 616612461 is 164216616.

It is a happy number.

It is not a de Polignac number, because 616612461 - 2⁵ = 616612429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616612463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118041 + ... + 123153.

It is an arithmetic number, because the mean of its divisors is an integer number (52316220).

Almost surely, 2^616612461 is an apocalyptic number.

616612461 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

616612461 is a deficient number, since it is larger than the sum of its proper divisors (220447059).

616612461 is a wasteful number, since it uses less digits than its factorization.

616612461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836.

The product of its digits is 10368, while the sum is 33.

The square root of 616612461 is about 24831.6826050914. The cubic root of 616612461 is about 851.1460715666.

The spelling of 616612461 in words is "six hundred sixteen million, six hundred twelve thousand, four hundred sixty-one".