1171622364 has 96 divisors (see below), whose sum is σ = 3049304832. Its totient is φ = 347136000.

The previous prime is 1171622351. The next prime is 1171622381. The reversal of 1171622364 is 4632261711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1827484 + ... + 1828124.

It is an arithmetic number, because the mean of its divisors is an integer number (31763592).

Almost surely, 2^1171622364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171622364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524652416).

1171622364 is an abundant number, since it is smaller than the sum of its proper divisors (1877682468).

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

1171622364 is a wasteful number, since it uses less digits than its factorization.

1171622364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 945 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 1171622364 is about 34228.9696602162. The cubic root of 1171622364 is about 1054.2150638871.

The spelling of 1171622364 in words is "one billion, one hundred seventy-one million, six hundred twenty-two thousand, three hundred sixty-four".