1616256850 has 72 divisors (see below), whose sum is σ = 3426945840. Its totient is φ = 565306560.

The previous prime is 1616256847. The next prime is 1616256853. The reversal of 1616256850 is 586526161.

It is an interprime number because it is at equal distance from previous prime (1616256847) and next prime (1616256853).

It is a super-2 number, since 2×1616256850² = 5224572410343845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616256853) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 155517 + ... + 165583.

It is an arithmetic number, because the mean of its divisors is an integer number (47596470).

Almost surely, 2^1616256850 is an apocalyptic number.

1616256850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1616256850 is an abundant number, since it is smaller than the sum of its proper divisors (1810688990).

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

1616256850 is a wasteful number, since it uses less digits than its factorization.

1616256850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124 (or 10106 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1616256850 is about 40202.6970488299. The cubic root of 1616256850 is about 1173.5550307632. Note that the first 3 decimals are identical.

The spelling of 1616256850 in words is "one billion, six hundred sixteen million, two hundred fifty-six thousand, eight hundred fifty".