1649265803174 has 12 divisors (see below), whose sum is σ = 2719244031252. Its totient is φ = 749666274060.

The previous prime is 1649265803161. The next prime is 1649265803209. The reversal of 1649265803174 is 4713085629461.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3407573732 + ... + 3407574215.

It is an arithmetic number, because the mean of its divisors is an integer number (226603669271).

It is a 1-persistent number, because it is pandigital, but 2⋅1649265803174 = 3298531606348 is not.

Almost surely, 2^{1649265803174} is an apocalyptic number.

1649265803174 is a deficient number, since it is larger than the sum of its proper divisors (1069978228078).

1649265803174 is a wasteful number, since it uses less digits than its factorization.

1649265803174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815147971 (or 6815147960 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 1649265803174 in words is "one trillion, six hundred forty-nine billion, two hundred sixty-five million, eight hundred three thousand, one hundred seventy-four".