10203378634746 has 80 divisors (see below), whose sum is σ = 24993664439040. Its totient is φ = 3085477686720.

The previous prime is 10203378634721. The next prime is 10203378634751. The reversal of 10203378634746 is 64743687330201.

10203378634746 is a `hidden beast` number, since 1 + 0 + 203 + 378 + 63 + 4 + 7 + 4 + 6 = 666.

It is a super-2 number, since 2×10203378634746² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 10203378634692 and 10203378634701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5123251 + ... + 6830406.

It is an arithmetic number, because the mean of its divisors is an integer number (312420805488).

Almost surely, 2^{10203378634746} is an apocalyptic number.

10203378634746 is an abundant number, since it is smaller than the sum of its proper divisors (14790285804294).

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

10203378634746 is a wasteful number, since it uses less digits than its factorization.

10203378634746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954161 (or 11954152 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 10203378634746 in words is "ten trillion, two hundred three billion, three hundred seventy-eight million, six hundred thirty-four thousand, seven hundred forty-six".