611599641406 has 16 divisors (see below), whose sum is σ = 1014670508544. Its totient is φ = 274647655584.

The previous prime is 611599641397. The next prime is 611599641407. The reversal of 611599641406 is 604146995116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611599641407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317878270 + ... + 317880193.

It is an arithmetic number, because the mean of its divisors is an integer number (63416906784).

Almost surely, 2^611599641406 is an apocalyptic number.

611599641406 is a deficient number, since it is larger than the sum of its proper divisors (403070867138).

611599641406 is a wasteful number, since it uses less digits than its factorization.

611599641406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635758515.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 611599641406 in words is "six hundred eleven billion, five hundred ninety-nine million, six hundred forty-one thousand, four hundred six".