1166772192 has 48 divisors (see below), whose sum is σ = 3069959760. Its totient is φ = 388012032.

The previous prime is 1166772179. The next prime is 1166772199. The reversal of 1166772192 is 2912776611.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1166772192² = 2722714696048969728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166772199) 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, 27534 + ... + 55602.

It is an arithmetic number, because the mean of its divisors is an integer number (63957495).

Almost surely, 2^1166772192 is an apocalyptic number.

1166772192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166772192 is an abundant number, since it is smaller than the sum of its proper divisors (1903187568).

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

1166772192 is a wasteful number, since it uses less digits than its factorization.

1166772192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28515 (or 28507 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 1166772192 is about 34158.0472509773. The cubic root of 1166772192 is about 1052.7583384597.

The spelling of 1166772192 in words is "one billion, one hundred sixty-six million, seven hundred seventy-two thousand, one hundred ninety-two".