7161630 has 64 divisors (see below), whose sum is σ = 19975680. Its totient is φ = 1609344.

The previous prime is 7161629. The next prime is 7161653. The reversal of 7161630 is 361617.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7161630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13816 + ... + 14324.

It is an arithmetic number, because the mean of its divisors is an integer number (312120).

Almost surely, 2^7161630 is an apocalyptic number.

7161630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7161630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9987840).

7161630 is an abundant number, since it is smaller than the sum of its proper divisors (12814050).

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

7161630 is a wasteful number, since it uses less digits than its factorization.

7161630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 7161630 is about 2676.1221945195. The cubic root of 7161630 is about 192.7542488562.

It can be divided in two parts, 716 and 1630, that added together give a triangular number (2346 = T₆₈).

The spelling of 7161630 in words is "seven million, one hundred sixty-one thousand, six hundred thirty".