1636145113403 has 16 divisors (see below), whose sum is σ = 1723283890176. Its totient is φ = 1550376495360.

The previous prime is 1636145113391. The next prime is 1636145113517. The reversal of 1636145113403 is 3043115416361.

It is a cyclic number.

It is not a de Polignac number, because 1636145113403 - 2⁸ = 1636145113147 is a prime.

It is a super-2 number, since 2×1636145113403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1636145013403) 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, 1549688 + ... + 2381978.

It is an arithmetic number, because the mean of its divisors is an integer number (107705243136).

Almost surely, 2^{1636145113403} is an apocalyptic number.

1636145113403 is a deficient number, since it is larger than the sum of its proper divisors (87138776773).

1636145113403 is a wasteful number, since it uses less digits than its factorization.

1636145113403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833114.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 1636145113403 in words is "one trillion, six hundred thirty-six billion, one hundred forty-five million, one hundred thirteen thousand, four hundred three".