1406504643161 has 8 divisors (see below), whose sum is σ = 1455076056000. Its totient is φ = 1357937980560.

The previous prime is 1406504643139. The next prime is 1406504643223. The reversal of 1406504643161 is 1613464056041.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406504643161 is a prime.

It is a super-2 number, since 2×1406504643161² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406504643961) 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, 579875 + ... + 1774616.

It is an arithmetic number, because the mean of its divisors is an integer number (181884507000).

Almost surely, 2^{1406504643161} is an apocalyptic number.

It is an amenable number.

1406504643161 is a deficient number, since it is larger than the sum of its proper divisors (48571412839).

1406504643161 is a wasteful number, since it uses less digits than its factorization.

1406504643161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375119.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 1406504643161 in words is "one trillion, four hundred six billion, five hundred four million, six hundred forty-three thousand, one hundred sixty-one".