1161632613 has 16 divisors (see below), whose sum is σ = 1618128000. Its totient is φ = 740308800.

The previous prime is 1161632611. The next prime is 1161632629. The reversal of 1161632613 is 3162361611.

It is not a de Polignac number, because 1161632613 - 2¹ = 1161632611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161632611) 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, 57313 + ... + 74886.

It is an arithmetic number, because the mean of its divisors is an integer number (101133000).

Almost surely, 2^1161632613 is an apocalyptic number.

It is an amenable number.

1161632613 is a deficient number, since it is larger than the sum of its proper divisors (456495387).

1161632613 is a wasteful number, since it uses less digits than its factorization.

1161632613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132332.

The product of its digits is 3888, while the sum is 30.

The square root of 1161632613 is about 34082.7318887439. The cubic root of 1161632613 is about 1051.2102788168.

The spelling of 1161632613 in words is "one billion, one hundred sixty-one million, six hundred thirty-two thousand, six hundred thirteen".