1549146868612 has 48 divisors (see below), whose sum is σ = 3128119448832. Its totient is φ = 657537914880.

The previous prime is 1549146868603. The next prime is 1549146868657. The reversal of 1549146868612 is 2168686419451.

It is a super-3 number, since 3×1549146868612³ (a number of 38 digits) contains 333 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 15 ways as a sum of consecutive naturals, for example, 3934812 + ... + 4310572.

It is an arithmetic number, because the mean of its divisors is an integer number (65169155184).

Almost surely, 2^{1549146868612} is an apocalyptic number.

It is an amenable number.

1549146868612 is an abundant number, since it is smaller than the sum of its proper divisors (1578972580220).

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

1549146868612 is a wasteful number, since it uses less digits than its factorization.

1549146868612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377188 (or 377186 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 61.

It can be divided in two parts, 1549 and 146868612, that added together give a square (146870161 = 12119²).

The spelling of 1549146868612 in words is "one trillion, five hundred forty-nine billion, one hundred forty-six million, eight hundred sixty-eight thousand, six hundred twelve".