1673554641 has 16 divisors (see below), whose sum is σ = 2434952640. Its totient is φ = 1013987520.

The previous prime is 1673554607. The next prime is 1673554657. The reversal of 1673554641 is 1464553761.

It is not a de Polignac number, because 1673554641 - 2⁶ = 1673554577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1673554593 and 1673554602.

It is not an unprimeable number, because it can be changed into a prime (1673554661) 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, 198255 + ... + 206523.

It is an arithmetic number, because the mean of its divisors is an integer number (152184540).

Almost surely, 2^1673554641 is an apocalyptic number.

1673554641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1673554641 is a deficient number, since it is larger than the sum of its proper divisors (761397999).

1673554641 is a wasteful number, since it uses less digits than its factorization.

1673554641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14416.

The product of its digits is 302400, while the sum is 42.

The square root of 1673554641 is about 40909.1021778772. The cubic root of 1673554641 is about 1187.2621759155.

The spelling of 1673554641 in words is "one billion, six hundred seventy-three million, five hundred fifty-four thousand, six hundred forty-one".