64711156406 has 32 divisors (see below), whose sum is σ = 106045632000. Its totient is φ = 29437499520.

The previous prime is 64711156379. The next prime is 64711156409. The reversal of 64711156406 is 60465111746.

64711156406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64711156409) 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, 481520 + ... + 601068.

It is an arithmetic number, because the mean of its divisors is an integer number (3313926000).

Almost surely, 2^64711156406 is an apocalyptic number.

64711156406 is a deficient number, since it is larger than the sum of its proper divisors (41334475594).

64711156406 is a wasteful number, since it uses less digits than its factorization.

64711156406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119864.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 64711156406 in words is "sixty-four billion, seven hundred eleven million, one hundred fifty-six thousand, four hundred six".