1042217166 has 16 divisors (see below), whose sum is σ = 2086434000. Its totient is φ = 347072448.

The previous prime is 1042217149. The next prime is 1042217207. The reversal of 1042217166 is 6617122401.

It is a super-2 number, since 2×1042217166² = 2172433242210143112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76501 + ... + 89088.

It is an arithmetic number, because the mean of its divisors is an integer number (130402125).

Almost surely, 2^1042217166 is an apocalyptic number.

1042217166 is an abundant number, since it is smaller than the sum of its proper divisors (1044216834).

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

1042217166 is a wasteful number, since it uses less digits than its factorization.

1042217166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166643.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1042217166 is about 32283.3883909357. The cubic root of 1042217166 is about 1013.8788743817.

Adding to 1042217166 its reverse (6617122401), we get a palindrome (7659339567).

The spelling of 1042217166 in words is "one billion, forty-two million, two hundred seventeen thousand, one hundred sixty-six".