601690219146 has 24 divisors (see below), whose sum is σ = 1311965728164. Its totient is φ = 199285931520.

The previous prime is 601690219129. The next prime is 601690219189. The reversal of 601690219146 is 641912096106.

It is a happy number.

601690219146 is a `hidden beast` number, since 601 + 6 + 9 + 0 + 21 + 9 + 14 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 563062640625 + 38627578521 = 750375^2 + 196539^2 .

It is a super-2 number, since 2×601690219146² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106453335 + ... + 106458986.

Almost surely, 2^601690219146 is an apocalyptic number.

601690219146 is an abundant number, since it is smaller than the sum of its proper divisors (710275509018).

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

601690219146 is a wasteful number, since it uses less digits than its factorization.

601690219146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212912486 (or 212912483 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

It can be divided in two parts, 601690 and 219146, that added together give a square (820836 = 906²).

The spelling of 601690219146 in words is "six hundred one billion, six hundred ninety million, two hundred nineteen thousand, one hundred forty-six".