1401670555 has 8 divisors (see below), whose sum is σ = 1683820800. Its totient is φ = 1120125696.

The previous prime is 1401670537. The next prime is 1401670561. The reversal of 1401670555 is 5550761041.

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-1401670555 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1401670555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146235 + ... + 155524.

It is an arithmetic number, because the mean of its divisors is an integer number (210477600).

Almost surely, 2^1401670555 is an apocalyptic number.

1401670555 is a deficient number, since it is larger than the sum of its proper divisors (282150245).

1401670555 is an equidigital number, since it uses as much as digits as its factorization.

1401670555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302693.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 1401670555 is about 37438.8909424411. The cubic root of 1401670555 is about 1119.1337250738.

The spelling of 1401670555 in words is "one billion, four hundred one million, six hundred seventy thousand, five hundred fifty-five".