1980183601 has 8 divisors (see below), whose sum is σ = 2212888608. Its totient is φ = 1756260000.

The previous prime is 1980183599. The next prime is 1980183617. The reversal of 1980183601 is 1063810891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1980183601 - 2¹ = 1980183599 is a prime.

It is a super-2 number, since 2×1980183601² = 7842254187338654402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980183631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194875 + ... + 2195776.

It is an arithmetic number, because the mean of its divisors is an integer number (276611076).

Almost surely, 2^1980183601 is an apocalyptic number.

1980183601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1980183601 is a deficient number, since it is larger than the sum of its proper divisors (232705007).

1980183601 is a wasteful number, since it uses less digits than its factorization.

1980183601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390703.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1980183601 is about 44499.2539375662. The cubic root of 1980183601 is about 1255.7460474248.

It can be divided in two parts, 1980 and 183601, that added together give a palindrome (185581).

The spelling of 1980183601 in words is "one billion, nine hundred eighty million, one hundred eighty-three thousand, six hundred one".