1964150655 has 8 divisors (see below), whose sum is σ = 3142641072. Its totient is φ = 1047547008.

The previous prime is 1964150621. The next prime is 1964150663. The reversal of 1964150655 is 5560514691.

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

It is not a de Polignac number, because 1964150655 - 2¹² = 1964146559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65471674 + ... + 65471703.

It is an arithmetic number, because the mean of its divisors is an integer number (392830134).

Almost surely, 2^1964150655 is an apocalyptic number.

1964150655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1964150655 is a deficient number, since it is larger than the sum of its proper divisors (1178490417).

1964150655 is a wasteful number, since it uses less digits than its factorization.

1964150655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130943385.

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

The square root of 1964150655 is about 44318.7393209690. The cubic root of 1964150655 is about 1252.3477275132.

The spelling of 1964150655 in words is "one billion, nine hundred sixty-four million, one hundred fifty thousand, six hundred fifty-five".