155648642654 has 8 divisors (see below), whose sum is σ = 235879902048. Its totient is φ = 77022008640.

The previous prime is 155648642629. The next prime is 155648642671. The reversal of 155648642654 is 456246846551.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 155648642654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401156102 + ... + 401156489.

It is an arithmetic number, because the mean of its divisors is an integer number (29484987756).

Almost surely, 2^155648642654 is an apocalyptic number.

155648642654 is a deficient number, since it is larger than the sum of its proper divisors (80231259394).

155648642654 is an equidigital number, since it uses as much as digits as its factorization.

155648642654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802312690.

The product of its digits is 27648000, while the sum is 56.

The spelling of 155648642654 in words is "one hundred fifty-five billion, six hundred forty-eight million, six hundred forty-two thousand, six hundred fifty-four".