616262276605 has 4 divisors (see below), whose sum is σ = 739514731932. Its totient is φ = 493009821280.

The previous prime is 616262276563. The next prime is 616262276629. The reversal of 616262276605 is 506672262616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 367474802809 + 248787473796 = 606197^2 + 498786^2 .

It is not a de Polignac number, because 616262276605 - 2¹⁵ = 616262243837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61626227656 + ... + 61626227665.

It is an arithmetic number, because the mean of its divisors is an integer number (184878682983).

Almost surely, 2^616262276605 is an apocalyptic number.

It is an amenable number.

616262276605 is a deficient number, since it is larger than the sum of its proper divisors (123252455327).

616262276605 is a wasteful number, since it uses less digits than its factorization.

616262276605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123252455326.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 616262276605 in words is "six hundred sixteen billion, two hundred sixty-two million, two hundred seventy-six thousand, six hundred five".