616206501 has 16 divisors (see below), whose sum is σ = 952590720. Its totient is φ = 392942880.

The previous prime is 616206491. The next prime is 616206509. The reversal of 616206501 is 105602616.

It is a happy number.

616206501 is a `hidden beast` number, since 6 + 1 + 6 + 2 + 0 + 650 + 1 = 666.

It is not a de Polignac number, because 616206501 - 2¹³ = 616198309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616206509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495520 + ... + 496761.

It is an arithmetic number, because the mean of its divisors is an integer number (59536920).

Almost surely, 2^616206501 is an apocalyptic number.

It is an amenable number.

616206501 is a deficient number, since it is larger than the sum of its proper divisors (336384219).

616206501 is a wasteful number, since it uses less digits than its factorization.

616206501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992313 (or 992307 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 616206501 is about 24823.5070245926. The cubic root of 616206501 is about 850.9592404865.

It can be divided in two parts, 61620 and 6501, that added together give a square (68121 = 261²).

The spelling of 616206501 in words is "six hundred sixteen million, two hundred six thousand, five hundred one".