1676657121 has 8 divisors (see below), whose sum is σ = 2248929984. Its totient is φ = 1111077840.

The previous prime is 1676657117. The next prime is 1676657131. The reversal of 1676657121 is 1217566761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1676657121 - 2² = 1676657117 is a prime.

It is a super-2 number, since 2×1676657121² = 5622358202800017282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1676657131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1672810 + ... + 1673811.

It is an arithmetic number, because the mean of its divisors is an integer number (281116248).

Almost surely, 2^1676657121 is an apocalyptic number.

It is an amenable number.

1676657121 is a deficient number, since it is larger than the sum of its proper divisors (572272863).

1676657121 is a wasteful number, since it uses less digits than its factorization.

1676657121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346791.

The product of its digits is 105840, while the sum is 42.

The square root of 1676657121 is about 40947.0038098027. The cubic root of 1676657121 is about 1187.9953823977.

The spelling of 1676657121 in words is "one billion, six hundred seventy-six million, six hundred fifty-seven thousand, one hundred twenty-one".