1049166997142 has 64 divisors (see below), whose sum is σ = 1781345599488. Its totient is φ = 459134676000.

The previous prime is 1049166997139. The next prime is 1049166997157. The reversal of 1049166997142 is 2417996619401.

It is a super-2 number, since 2×1049166997142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116015273 + ... + 116024315.

It is an arithmetic number, because the mean of its divisors is an integer number (27833524992).

Almost surely, 2^{1049166997142} is an apocalyptic number.

1049166997142 is a deficient number, since it is larger than the sum of its proper divisors (732178602346).

1049166997142 is a wasteful number, since it uses less digits than its factorization.

1049166997142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9945.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 1049166997142 in words is "one trillion, forty-nine billion, one hundred sixty-six million, nine hundred ninety-seven thousand, one hundred forty-two".