16457070 has 32 divisors (see below), whose sum is σ = 45139968. Its totient is φ = 3761568.

The previous prime is 16457039. The next prime is 16457087. The reversal of 16457070 is 7075461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38974 + ... + 39393.

It is an arithmetic number, because the mean of its divisors is an integer number (1410624).

Almost surely, 2^16457070 is an apocalyptic number.

16457070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16457070 is an abundant number, since it is smaller than the sum of its proper divisors (28682898).

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

16457070 is a wasteful number, since it uses less digits than its factorization.

16457070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78384.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 16457070 is about 4056.7314429230. The cubic root of 16457070 is about 254.3611845471.

The spelling of 16457070 in words is "sixteen million, four hundred fifty-seven thousand, seventy".