1966254070 has 16 divisors (see below), whose sum is σ = 3861008208. Its totient is φ = 715001440.

The previous prime is 1966254041. The next prime is 1966254079. The reversal of 1966254070 is 704526691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966254079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8937409 + ... + 8937628.

It is an arithmetic number, because the mean of its divisors is an integer number (241313013).

Almost surely, 2^1966254070 is an apocalyptic number.

1966254070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1966254070 is a deficient number, since it is larger than the sum of its proper divisors (1894754138).

1966254070 is a wasteful number, since it uses less digits than its factorization.

1966254070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875055.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1966254070 is about 44342.4635084701. The cubic root of 1966254070 is about 1252.7946157090.

It can be divided in two parts, 1966 and 254070, that added together give a square (256036 = 506²).

The spelling of 1966254070 in words is "one billion, nine hundred sixty-six million, two hundred fifty-four thousand, seventy".