601431616 has 14 divisors (see below), whose sum is σ = 1193465990. Its totient is φ = 300715776.

The previous prime is 601431613. The next prime is 601431617. The reversal of 601431616 is 616134106.

It can be written as a sum of positive squares in only one way, i.e., 571401216 + 30030400 = 23904^2 + 5480^2 .

It is not an unprimeable number, because it can be changed into a prime (601431613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4698621 + ... + 4698748.

Almost surely, 2^601431616 is an apocalyptic number.

It is an amenable number.

601431616 is a deficient number, since it is larger than the sum of its proper divisors (592034374).

601431616 is an equidigital number, since it uses as much as digits as its factorization.

601431616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9397381 (or 9397371 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 601431616 is about 24524.1027562682. The cubic root of 601431616 is about 844.1029500886.

The spelling of 601431616 in words is "six hundred one million, four hundred thirty-one thousand, six hundred sixteen".