611270064 has 50 divisors (see below), whose sum is σ = 1769196660. Its totient is φ = 203756256.

The previous prime is 611270063. The next prime is 611270111. The reversal of 611270064 is 460072116.

It is a super-2 number, since 2×611270064² = 747302182285128192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (611270063) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 234534 + ... + 237125.

Almost surely, 2^611270064 is an apocalyptic number.

It is an amenable number.

611270064 is an abundant number, since it is smaller than the sum of its proper divisors (1157926596).

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

611270064 is a wasteful number, since it uses less digits than its factorization.

611270064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471679 (or 471664 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 611270064 is about 24723.8763950963. The cubic root of 611270064 is about 848.6807974823.

It can be divided in two parts, 6112 and 70064, that added together give a square (76176 = 276²).

The spelling of 611270064 in words is "six hundred eleven million, two hundred seventy thousand, sixty-four".