1956620255 has 16 divisors (see below), whose sum is σ = 2382981120. Its totient is φ = 1542027552.

The previous prime is 1956620251. The next prime is 1956620257. The reversal of 1956620255 is 5520266591.

It is a cyclic number.

It is not a de Polignac number, because 1956620255 - 2² = 1956620251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1956620251) 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, 179162 + ... + 189768.

It is an arithmetic number, because the mean of its divisors is an integer number (148936320).

Almost surely, 2^1956620255 is an apocalyptic number.

1956620255 is a deficient number, since it is larger than the sum of its proper divisors (426360865).

1956620255 is a wasteful number, since it uses less digits than its factorization.

1956620255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 1956620255 is about 44233.7004443445. The cubic root of 1956620255 is about 1250.7452100413.

The spelling of 1956620255 in words is "one billion, nine hundred fifty-six million, six hundred twenty thousand, two hundred fifty-five".