1161616002 has 16 divisors (see below), whose sum is σ = 2332955520. Its totient is φ = 385584752.

The previous prime is 1161615991. The next prime is 1161616007. The reversal of 1161616002 is 2006161611.

It is a super-2 number, since 2×1161616002² = 2698703472204928008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1161616007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403593 + ... + 406460.

It is an arithmetic number, because the mean of its divisors is an integer number (145809720).

Almost surely, 2^1161616002 is an apocalyptic number.

1161616002 is an abundant number, since it is smaller than the sum of its proper divisors (1171339518).

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

1161616002 is a wasteful number, since it uses less digits than its factorization.

1161616002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810297.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1161616002 is about 34082.4882014210. The cubic root of 1161616002 is about 1051.2052681284.

Adding to 1161616002 its reverse (2006161611), we get a palindrome (3167777613).

The spelling of 1161616002 in words is "one billion, one hundred sixty-one million, six hundred sixteen thousand, two".