161254608 has 20 divisors (see below), whose sum is σ = 416574528. Its totient is φ = 53751520.

The previous prime is 161254607. The next prime is 161254631. The reversal of 161254608 is 806452161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161254607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679688 + ... + 1679783.

Almost surely, 2^161254608 is an apocalyptic number.

It is an amenable number.

161254608 is an abundant number, since it is smaller than the sum of its proper divisors (255319920).

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

161254608 is a wasteful number, since it uses less digits than its factorization.

161254608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359482 (or 3359476 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 161254608 is about 12698.6065377269. The cubic root of 161254608 is about 544.2988013902.

The spelling of 161254608 in words is "one hundred sixty-one million, two hundred fifty-four thousand, six hundred eight".