1613258226 has 48 divisors (see below), whose sum is σ = 3773165760. Its totient is φ = 496631520.

The previous prime is 1613258209. The next prime is 1613258323. The reversal of 1613258226 is 6228523161.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55180 + ... + 79191.

It is an arithmetic number, because the mean of its divisors is an integer number (78607620).

Almost surely, 2^1613258226 is an apocalyptic number.

1613258226 is an abundant number, since it is smaller than the sum of its proper divisors (2159907534).

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

1613258226 is a wasteful number, since it uses less digits than its factorization.

1613258226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134431 (or 134428 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1613258226 is about 40165.3859187236. The cubic root of 1613258226 is about 1172.8288201134.

The spelling of 1613258226 in words is "one billion, six hundred thirteen million, two hundred fifty-eight thousand, two hundred twenty-six".