606157642 has 8 divisors (see below), whose sum is σ = 909826596. Its totient is φ = 302882112.

The previous prime is 606157621. The next prime is 606157649. The reversal of 606157642 is 246751606.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 599711121 + 6446521 = 24489^2 + 2539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (606157649) 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, 94473 + ... + 100684.

Almost surely, 2^606157642 is an apocalyptic number.

606157642 is a deficient number, since it is larger than the sum of its proper divisors (303668954).

606157642 is a wasteful number, since it uses less digits than its factorization.

606157642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196712.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 606157642 is about 24620.2689262323. The cubic root of 606157642 is about 846.3081599200.

The spelling of 606157642 in words is "six hundred six million, one hundred fifty-seven thousand, six hundred forty-two".