616147420 has 48 divisors (see below), whose sum is σ = 1482743808. Its totient is φ = 210680640.

The previous prime is 616147417. The next prime is 616147423. The reversal of 616147420 is 24741616.

It is an interprime number because it is at equal distance from previous prime (616147417) and next prime (616147423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616147423) 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, 47875 + ... + 59365.

It is an arithmetic number, because the mean of its divisors is an integer number (30890496).

Almost surely, 2^616147420 is an apocalyptic number.

It is an amenable number.

616147420 is an abundant number, since it is smaller than the sum of its proper divisors (866596388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

616147420 is a wasteful number, since it uses less digits than its factorization.

616147420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890 (or 11888 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 616147420 is about 24822.3169748515. The cubic root of 616147420 is about 850.9320433647.

The spelling of 616147420 in words is "six hundred sixteen million, one hundred forty-seven thousand, four hundred twenty".