1868501520146 has 8 divisors (see below), whose sum is σ = 2802911372544. Its totient is φ = 934197729300.

The previous prime is 1868501520133. The next prime is 1868501520161. The reversal of 1868501520146 is 6410251058681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1868501520146² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1868501520146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26471330 + ... + 26541821.

It is an arithmetic number, because the mean of its divisors is an integer number (350363921568).

Almost surely, 2^{1868501520146} is an apocalyptic number.

1868501520146 is a deficient number, since it is larger than the sum of its proper divisors (934409852398).

1868501520146 is a wasteful number, since it uses less digits than its factorization.

1868501520146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53030776.

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 1868501520146 in words is "one trillion, eight hundred sixty-eight billion, five hundred one million, five hundred twenty thousand, one hundred forty-six".