1061006105998 has 8 divisors (see below), whose sum is σ = 1591513863408. Its totient is φ = 530501484864.

The previous prime is 1061006105993. The next prime is 1061006106019. The reversal of 1061006105998 is 8995016001601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1061006105998² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061006105993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450415 + ... + 1524757.

It is an arithmetic number, because the mean of its divisors is an integer number (198939232926).

Almost surely, 2^{1061006105998} is an apocalyptic number.

1061006105998 is a deficient number, since it is larger than the sum of its proper divisors (530507757410).

1061006105998 is a wasteful number, since it uses less digits than its factorization.

1061006105998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568138.

The product of its (nonzero) digits is 116640, while the sum is 46.

The spelling of 1061006105998 in words is "one trillion, sixty-one billion, six million, one hundred five thousand, nine hundred ninety-eight".