1661246430414 has 32 divisors (see below), whose sum is σ = 3376621382400. Its totient is φ = 544749640512.

The previous prime is 1661246430397. The next prime is 1661246430419. The reversal of 1661246430414 is 4140346421661.

It is a happy number.

It is a super-2 number, since 2×1661246430414² (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 (1661246430419) 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 15 ways as a sum of consecutive naturals, for example, 2482239 + ... + 3079610.

It is an arithmetic number, because the mean of its divisors is an integer number (105519418200).

Almost surely, 2^{1661246430414} is an apocalyptic number.

1661246430414 is an abundant number, since it is smaller than the sum of its proper divisors (1715374951986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1661246430414 is a wasteful number, since it uses less digits than its factorization.

1661246430414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562664.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 1661246430414 in words is "one trillion, six hundred sixty-one billion, two hundred forty-six million, four hundred thirty thousand, four hundred fourteen".