641160156 has 48 divisors (see below), whose sum is σ = 1841283584. Its totient is φ = 169096896.

The previous prime is 641160119. The next prime is 641160193. The reversal of 641160156 is 651061146.

It is an interprime number because it is at equal distance from previous prime (641160119) and next prime (641160193).

It is a super-2 number, since 2×641160156² = 822172691283888672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292480 + ... + 294663.

Almost surely, 2^641160156 is an apocalyptic number.

It is an amenable number.

641160156 is an abundant number, since it is smaller than the sum of its proper divisors (1200123428).

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

641160156 is a wasteful number, since it uses less digits than its factorization.

641160156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587170 (or 587168 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 641160156 is about 25321.1404956412. The cubic root of 641160156 is about 862.2942867514.

The spelling of 641160156 in words is "six hundred forty-one million, one hundred sixty thousand, one hundred fifty-six".