1616305045632 has 64 divisors (see below), whose sum is σ = 4384657353600. Its totient is φ = 527305186304.

The previous prime is 1616305045631. The next prime is 1616305045639. The reversal of 1616305045632 is 2365405036161.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1616305045632² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616305045631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44759907 + ... + 44796002.

It is an arithmetic number, because the mean of its divisors is an integer number (68510271150).

Almost surely, 2^{1616305045632} is an apocalyptic number.

1616305045632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1616305045632 is an abundant number, since it is smaller than the sum of its proper divisors (2768352307968).

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

1616305045632 is an equidigital number, since it uses as much as digits as its factorization.

1616305045632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89555973 (or 89555961 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1616305045632 in words is "one trillion, six hundred sixteen billion, three hundred five million, forty-five thousand, six hundred thirty-two".