1671411401 has 4 divisors (see below), whose sum is σ = 1823357904. Its totient is φ = 1519464900.

The previous prime is 1671411373. The next prime is 1671411409. The reversal of 1671411401 is 1041141761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1671411401 - 2³⁰ = 597669577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1671411409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75973235 + ... + 75973256.

It is an arithmetic number, because the mean of its divisors is an integer number (455839476).

Almost surely, 2^1671411401 is an apocalyptic number.

1671411401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1671411401 is a deficient number, since it is larger than the sum of its proper divisors (151946503).

1671411401 is a wasteful number, since it uses less digits than its factorization.

1671411401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151946502.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1671411401 is about 40882.8986374499. The cubic root of 1671411401 is about 1186.7551364399.

It can be divided in two parts, 16 and 71411401, that added together give a palindrome (71411417).

The spelling of 1671411401 in words is "one billion, six hundred seventy-one million, four hundred eleven thousand, four hundred one".