1956366474 has 16 divisors (see below), whose sum is σ = 3913204608. Its totient is φ = 652043552.

The previous prime is 1956366473. The next prime is 1956366479. The reversal of 1956366474 is 4746636591.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1956366473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57679 + ... + 85085.

It is an arithmetic number, because the mean of its divisors is an integer number (244575288).

Almost surely, 2^1956366474 is an apocalyptic number.

1956366474 is an abundant number, since it is smaller than the sum of its proper divisors (1956838134).

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

1956366474 is a wasteful number, since it uses less digits than its factorization.

1956366474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39309.

The product of its digits is 3265920, while the sum is 51.

The square root of 1956366474 is about 44230.8317127318. The cubic root of 1956366474 is about 1250.6911322519.

The spelling of 1956366474 in words is "one billion, nine hundred fifty-six million, three hundred sixty-six thousand, four hundred seventy-four".