1676347157 has 4 divisors (see below), whose sum is σ = 1749231840. Its totient is φ = 1603462476.

The previous prime is 1676347147. The next prime is 1676347171. The reversal of 1676347157 is 7517436761.

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 1676347157 - 2¹² = 1676343061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676347147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36442307 + ... + 36442352.

It is an arithmetic number, because the mean of its divisors is an integer number (437307960).

Almost surely, 2^1676347157 is an apocalyptic number.

It is an amenable number.

1676347157 is a deficient number, since it is larger than the sum of its proper divisors (72884683).

1676347157 is an equidigital number, since it uses as much as digits as its factorization.

1676347157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72884682.

The product of its digits is 740880, while the sum is 47.

The square root of 1676347157 is about 40943.2186936982. The cubic root of 1676347157 is about 1187.9221695564.

The spelling of 1676347157 in words is "one billion, six hundred seventy-six million, three hundred forty-seven thousand, one hundred fifty-seven".