1023166354 has 12 divisors (see below), whose sum is σ = 1785321054. Its totient is φ = 438499824.

The previous prime is 1023166289. The next prime is 1023166387. The reversal of 1023166354 is 4536613201.

It can be written as a sum of positive squares in only one way, i.e., 1007745025 + 15421329 = 31745^2 + 3927^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5220139 + ... + 5220334.

Almost surely, 2^1023166354 is an apocalyptic number.

1023166354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1023166354 is a deficient number, since it is larger than the sum of its proper divisors (762154700).

1023166354 is a wasteful number, since it uses less digits than its factorization.

1023166354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440489 (or 10440482 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1023166354 is about 31986.9716290867. The cubic root of 1023166354 is about 1007.6632427026.

Adding to 1023166354 its reverse (4536613201), we get a palindrome (5559779555).

The spelling of 1023166354 in words is "one billion, twenty-three million, one hundred sixty-six thousand, three hundred fifty-four".