1616355145000 has 80 divisors (see below), whose sum is σ = 3867697690560. Its totient is φ = 632785752000.

The previous prime is 1616355144977. The next prime is 1616355145001. The reversal of 1616355145000 is 5415536161.

It is a super-2 number, since 2×1616355145000² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616355145001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3204054 + ... + 3674053.

It is an arithmetic number, because the mean of its divisors is an integer number (48346221132).

Almost surely, 2^{1616355145000} is an apocalyptic number.

1616355145000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616355145000 is an abundant number, since it is smaller than the sum of its proper divisors (2251342545560).

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

1616355145000 is an equidigital number, since it uses as much as digits as its factorization.

1616355145000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878180 (or 6878161 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1616355145000 in words is "one trillion, six hundred sixteen billion, three hundred fifty-five million, one hundred forty-five thousand".