1660772834 has 16 divisors (see below), whose sum is σ = 2867524800. Its totient is φ = 706638384.

The previous prime is 1660772833. The next prime is 1660772851. The reversal of 1660772834 is 4382770661.

It is not an unprimeable number, because it can be changed into a prime (1660772831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424769 + ... + 428660.

It is an arithmetic number, because the mean of its divisors is an integer number (179220300).

Almost surely, 2^1660772834 is an apocalyptic number.

1660772834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1660772834 is a deficient number, since it is larger than the sum of its proper divisors (1206751966).

1660772834 is a wasteful number, since it uses less digits than its factorization.

1660772834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853577.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 1660772834 is about 40752.5807035579. The cubic root of 1660772834 is about 1184.2318685660.

The spelling of 1660772834 in words is "one billion, six hundred sixty million, seven hundred seventy-two thousand, eight hundred thirty-four".