1655616097877 has 4 divisors (see below), whose sum is σ = 1892132683296. Its totient is φ = 1419099512460.

The previous prime is 1655616097871. The next prime is 1655616097907. The reversal of 1655616097877 is 7787906165561.

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 not a de Polignac number, because 1655616097877 - 2³⁰ = 1654542356053 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 (1655616097871) 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, 118258292699 + ... + 118258292712.

It is an arithmetic number, because the mean of its divisors is an integer number (473033170824).

Almost surely, 2^{1655616097877} is an apocalyptic number.

It is an amenable number.

1655616097877 is a deficient number, since it is larger than the sum of its proper divisors (236516585419).

1655616097877 is an equidigital number, since it uses as much as digits as its factorization.

1655616097877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236516585418.

The product of its (nonzero) digits is 133358400, while the sum is 68.

The spelling of 1655616097877 in words is "one trillion, six hundred fifty-five billion, six hundred sixteen million, ninety-seven thousand, eight hundred seventy-seven".