339987666530 has 16 divisors (see below), whose sum is σ = 618286851000. Its totient is φ = 134593055232.

The previous prime is 339987666467. The next prime is 339987666563. The reversal of 339987666530 is 35666789933.

It can be written as a sum of positive squares in 4 ways, for example, as 181393365409 + 158594301121 = 425903^2 + 398239^2 .

It is a super-2 number, since 2×339987666530² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 175250405 + ... + 175252344.

Almost surely, 2^339987666530 is an apocalyptic number.

339987666530 is a deficient number, since it is larger than the sum of its proper divisors (278299184470).

339987666530 is a wasteful number, since it uses less digits than its factorization.

339987666530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350502853.

The product of its (nonzero) digits is 132269760, while the sum is 65.

The spelling of 339987666530 in words is "three hundred thirty-nine billion, nine hundred eighty-seven million, six hundred sixty-six thousand, five hundred thirty".