345425645016 has 128 divisors (see below), whose sum is σ = 972440164800. Its totient is φ = 115014038400.

The previous prime is 345425644987. The next prime is 345425645021. The reversal of 345425645016 is 610546524543.

345425645016 is a `hidden beast` number, since 3 + 4 + 542 + 56 + 4 + 50 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16453246 + ... + 16474226.

Almost surely, 2^345425645016 is an apocalyptic number.

345425645016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345425645016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486220082400).

345425645016 is an abundant number, since it is smaller than the sum of its proper divisors (627014519784).

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

345425645016 is an equidigital number, since it uses as much as digits as its factorization.

345425645016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21949 (or 21927 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 345425645016 in words is "three hundred forty-five billion, four hundred twenty-five million, six hundred forty-five thousand, sixteen".