4146991037644 has 72 divisors (see below), whose sum is σ = 9127702796688. Its totient is φ = 1634031504000.

The previous prime is 4146991037633. The next prime is 4146991037647. The reversal of 4146991037644 is 4467301996414.

It is not an unprimeable number, because it can be changed into a prime (4146991037647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2602579 + ... + 3881674.

It is an arithmetic number, because the mean of its divisors is an integer number (126773649954).

Almost surely, 2^{4146991037644} is an apocalyptic number.

It is an amenable number.

4146991037644 is an abundant number, since it is smaller than the sum of its proper divisors (4980711759044).

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

4146991037644 is a wasteful number, since it uses less digits than its factorization.

4146991037644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6484535 (or 6484526 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 4146991037644 in words is "four trillion, one hundred forty-six billion, nine hundred ninety-one million, thirty-seven thousand, six hundred forty-four".