1601651480 has 64 divisors (see below), whose sum is σ = 4233751200. Its totient is φ = 537615360.

The previous prime is 1601651479. The next prime is 1601651501. The reversal of 1601651480 is 841561061.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 134285 + ... + 145724.

Almost surely, 2^1601651480 is an apocalyptic number.

1601651480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601651480 is an abundant number, since it is smaller than the sum of its proper divisors (2632099720).

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

1601651480 is a wasteful number, since it uses less digits than its factorization.

1601651480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280044 (or 280040 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1601651480 is about 40020.6381758212. The cubic root of 1601651480 is about 1170.0093699788.

The spelling of 1601651480 in words is "one billion, six hundred one million, six hundred fifty-one thousand, four hundred eighty".