1616551002 has 48 divisors (see below), whose sum is σ = 3952709280. Its totient is φ = 472970400.

The previous prime is 1616550983. The next prime is 1616551007. The reversal of 1616551002 is 2001556161.

It is a happy number.

1616551002 is a `hidden beast` number, since 1 + 6 + 1 + 655 + 1 + 0 + 0 + 2 = 666.

It is a super-2 number, since 2×1616551002² = 5226474284134408008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616551007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135024 + ... + 146507.

It is an arithmetic number, because the mean of its divisors is an integer number (82348110).

Almost surely, 2^1616551002 is an apocalyptic number.

1616551002 is an abundant number, since it is smaller than the sum of its proper divisors (2336158278).

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

1616551002 is a wasteful number, since it uses less digits than its factorization.

1616551002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281579 (or 281576 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1616551002 is about 40206.3552439164. The cubic root of 1616551002 is about 1173.6262204836.

The spelling of 1616551002 in words is "one billion, six hundred sixteen million, five hundred fifty-one thousand, two".