1166535948 has 12 divisors (see below), whose sum is σ = 2721917240. Its totient is φ = 388845312.

The previous prime is 1166535943. The next prime is 1166536013. The reversal of 1166535948 is 8495356611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1166535948² = 2721612235952517408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166535897 and 1166535906.

It is not an unprimeable number, because it can be changed into a prime (1166535941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48605653 + ... + 48605676.

Almost surely, 2^1166535948 is an apocalyptic number.

It is an amenable number.

1166535948 is an abundant number, since it is smaller than the sum of its proper divisors (1555381292).

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

1166535948 is a wasteful number, since it uses less digits than its factorization.

1166535948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97211336 (or 97211334 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 1166535948 is about 34154.5889742506. The cubic root of 1166535948 is about 1052.6872807073.

The spelling of 1166535948 in words is "one billion, one hundred sixty-six million, five hundred thirty-five thousand, nine hundred forty-eight".