1601151740 has 24 divisors (see below), whose sum is σ = 3374311920. Its totient is φ = 638195328.

The previous prime is 1601151731. The next prime is 1601151751. The reversal of 1601151740 is 471511061.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135785 + ... + 147104.

It is an arithmetic number, because the mean of its divisors is an integer number (140596330).

Almost surely, 2^1601151740 is an apocalyptic number.

1601151740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601151740 is an abundant number, since it is smaller than the sum of its proper divisors (1773160180).

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

1601151740 is a wasteful number, since it uses less digits than its factorization.

1601151740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283181 (or 283179 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 1601151740 is about 40014.3941601019. The cubic root of 1601151740 is about 1169.8876703223.

The spelling of 1601151740 in words is "one billion, six hundred one million, one hundred fifty-one thousand, seven hundred forty".