1072166249 has 16 divisors (see below), whose sum is σ = 1338086400. Its totient is φ = 834604560.

The previous prime is 1072166239. The next prime is 1072166269. The reversal of 1072166249 is 9426612701.

It is a cyclic number.

It is not a de Polignac number, because 1072166249 - 2⁴ = 1072166233 is a prime.

It is a super-2 number, since 2×1072166249² = 2299080930989460002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1072166239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75302 + ... + 88400.

It is an arithmetic number, because the mean of its divisors is an integer number (83630400).

Almost surely, 2^1072166249 is an apocalyptic number.

It is an amenable number.

1072166249 is a deficient number, since it is larger than the sum of its proper divisors (265920151).

1072166249 is a wasteful number, since it uses less digits than its factorization.

1072166249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14180.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1072166249 is about 32743.9498075599. The cubic root of 1072166249 is about 1023.4988930134.

The spelling of 1072166249 in words is "one billion, seventy-two million, one hundred sixty-six thousand, two hundred forty-nine".