1601274368 has 20 divisors (see below), whose sum is σ = 3199422270. Its totient is φ = 800636928.

The previous prime is 1601274361. The next prime is 1601274371. The reversal of 1601274368 is 8634721061.

It can be written as a sum of positive squares in only one way, i.e., 1465970944 + 135303424 = 38288^2 + 11632^2 .

It is a super-2 number, since 2×1601274368² = 5128159203227598848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1601274361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563233 + ... + 1564256.

Almost surely, 2^1601274368 is an apocalyptic number.

It is an amenable number.

1601274368 is a deficient number, since it is larger than the sum of its proper divisors (1598147902).

1601274368 is an frugal number, since it uses more digits than its factorization.

1601274368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127507 (or 3127491 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1601274368 is about 40015.9264293606. The cubic root of 1601274368 is about 1169.9175357663.

The spelling of 1601274368 in words is "one billion, six hundred one million, two hundred seventy-four thousand, three hundred sixty-eight".