1840163688051 has 16 divisors (see below), whose sum is σ = 2642387860224. Its totient is φ = 1132364906784.

The previous prime is 1840163688017. The next prime is 1840163688073. The reversal of 1840163688051 is 1508863610481.

It is not a de Polignac number, because 1840163688051 - 2¹³ = 1840163679859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1840163687985 and 1840163688003.

It is not an unprimeable number, because it can be changed into a prime (1840163688551) 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, 136480 + ... + 1923266.

It is an arithmetic number, because the mean of its divisors is an integer number (165149241264).

Almost surely, 2^{1840163688051} is an apocalyptic number.

1840163688051 is a deficient number, since it is larger than the sum of its proper divisors (802224172173).

1840163688051 is a wasteful number, since it uses less digits than its factorization.

1840163688051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813210.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 1840163688051 in words is "one trillion, eight hundred forty billion, one hundred sixty-three million, six hundred eighty-eight thousand, fifty-one".