1672842555 has 96 divisors (see below), whose sum is σ = 3206960640. Its totient is φ = 802897920.

The previous prime is 1672842547. The next prime is 1672842571. The reversal of 1672842555 is 5552482761.

1672842555 is a `hidden beast` number, since 16 + 7 + 2 + 84 + 2 + 555 = 666.

It is not a de Polignac number, because 1672842555 - 2³ = 1672842547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1672842555.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5053740 + ... + 5054070.

It is an arithmetic number, because the mean of its divisors is an integer number (33405840).

Almost surely, 2^1672842555 is an apocalyptic number.

1672842555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1672842555 is a deficient number, since it is larger than the sum of its proper divisors (1534118085).

1672842555 is a wasteful number, since it uses less digits than its factorization.

1672842555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 1672842555 is about 40900.3979809488. The cubic root of 1672842555 is about 1187.0937613943.

The spelling of 1672842555 in words is "one billion, six hundred seventy-two million, eight hundred forty-two thousand, five hundred fifty-five".