1672895557403 has 16 divisors (see below), whose sum is σ = 1941022594560. Its totient is φ = 1412067387456.

The previous prime is 1672895557369. The next prime is 1672895557447. The reversal of 1672895557403 is 3047555982761.

It is a cyclic number.

It is not a de Polignac number, because 1672895557403 - 2¹⁰ = 1672895556379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1672895551403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949250 + ... + 2060792.

It is an arithmetic number, because the mean of its divisors is an integer number (121313912160).

It is a 1-persistent number, because it is pandigital, but 2⋅1672895557403 = 3345791114806 is not.

Almost surely, 2^{1672895557403} is an apocalyptic number.

1672895557403 is a deficient number, since it is larger than the sum of its proper divisors (268127037157).

1672895557403 is a wasteful number, since it uses less digits than its factorization.

1672895557403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114826.

The product of its (nonzero) digits is 63504000, while the sum is 62.

The spelling of 1672895557403 in words is "one trillion, six hundred seventy-two billion, eight hundred ninety-five million, five hundred fifty-seven thousand, four hundred three".