1612236401 has 8 divisors (see below), whose sum is σ = 1626168960. Its totient is φ = 1598364208.

The previous prime is 1612236341. The next prime is 1612236407. The reversal of 1612236401 is 1046322161.

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

It is a cyclic number.

It is not a de Polignac number, because 1612236401 - 2⁶ = 1612236337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1612236407) 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, 39395 + ... + 69111.

It is an arithmetic number, because the mean of its divisors is an integer number (203271120).

Almost surely, 2^1612236401 is an apocalyptic number.

It is an amenable number.

1612236401 is a deficient number, since it is larger than the sum of its proper divisors (13932559).

1612236401 is a wasteful number, since it uses less digits than its factorization.

1612236401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30183.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1612236401 is about 40152.6636849911. The cubic root of 1612236401 is about 1172.5811476488.

Adding to 1612236401 its reverse (1046322161), we get a palindrome (2658558562).

The spelling of 1612236401 in words is "one billion, six hundred twelve million, two hundred thirty-six thousand, four hundred one".