1956155064 has 32 divisors (see below), whose sum is σ = 4891920000. Its totient is φ = 651847392.

The previous prime is 1956155057. The next prime is 1956155077. The reversal of 1956155064 is 4605516591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78837 + ... + 100635.

It is an arithmetic number, because the mean of its divisors is an integer number (152872500).

Almost surely, 2^1956155064 is an apocalyptic number.

It is an amenable number.

1956155064 is an abundant number, since it is smaller than the sum of its proper divisors (2935764936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1956155064 is a wasteful number, since it uses less digits than its factorization.

1956155064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25547 (or 25543 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 1956155064 is about 44228.4417993671. The cubic root of 1956155064 is about 1250.6460796607.

The spelling of 1956155064 in words is "one billion, nine hundred fifty-six million, one hundred fifty-five thousand, sixty-four".