1166161932 has 72 divisors (see below), whose sum is σ = 3242156736. Its totient is φ = 351177984.

The previous prime is 1166161907. The next prime is 1166161943. The reversal of 1166161932 is 2391616611.

1166161932 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 1 + 619 + 32 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4513 + ... + 48504.

Almost surely, 2^1166161932 is an apocalyptic number.

1166161932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166161932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621078368).

1166161932 is an abundant number, since it is smaller than the sum of its proper divisors (2075994804).

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

1166161932 is a wasteful number, since it uses less digits than its factorization.

1166161932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53087 (or 53082 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 1166161932 is about 34149.1131949279. The cubic root of 1166161932 is about 1052.5747641084.

The spelling of 1166161932 in words is "one billion, one hundred sixty-six million, one hundred sixty-one thousand, nine hundred thirty-two".